Contoured pillow with central aperture

Claim 2

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a first supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from said supine position to a second side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said rear portion having a laterally central portion with means for forming a laterally central depression in said rear portion when a user is in said supine position or said side position and when a user turns from one of said positions to the other, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center.

Claim 3

A pillow as described in claim 1, in which the hollow has an essentially straight forward edge, opposite side edges that meet said straight forward edge at substantially square forward corners, and arcuate edge portions connecting said side edges to a rear edge.

Claim 4

A pillow as described in claim 1, in which the body further comprises a side portion on each side of the hollow, said side portions being dimensioned to give the pillow an overall standard size and having sufficient firmness to stabilize the shape of the body.

Claim 5

A pillow as described in claim 1, in which said rear portion has a top surface that is contoured to form said central depression.

Claim 6

A pillow as described in claim 4, in which said top surface of said rear portion has a plurality of rounded ridges separated by a plurality of valleys to form said central depression.

Claim 7

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said body including a bottom portion extending between said forward and rear portions and defining a bottom of the hollow, to increase the dimensional stability of the hollow and said forward and rear portions; a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, said top layer having a laterally extending opening defined by a rear edge and a forward edge, and said opening being aligned with the hollow; and fastening means, carried by said rear edge and said forward edge of the top layer of the pillowcase and by said bottom portion of the body of the pillow, for fastening said rear edge and said forward edge to said bottom portion, to cover said rear portion and said forward portion of the pillow while leaving the hollow substantially unobstructed to prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 8

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said body including a bottom portion extending between said forward and rear portions and defining a bottom of the hollow, to increase the dimensional stability of the hollow and said forward and rear portions; a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, said top layer having a laterally extending opening defined by a rear edge and a forward edge, and said opening being aligned with the hollow; and fastening means, carried by said rear edge and said forward edge of the top layer of the pillowcase and by said bottom portion of the body of the pillow, for fastening said rear edge and said forward edge to said bottom portion, to cover said rear portion and said forward portion of the pillow while leaving the hollow substantially unobstructed to prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 9

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, and an opening for receiving the pillow; said top layer being formed from two pieces each of which has a laterally extending inner edge aligned with the hollow, said inner edges being joined together and being curved outwardly to cause said top layer to drape down into the hollow to leave the hollow substantially unobstructed and prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 10

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, and an opening for receiving the pillow; said top layer being formed from two pieces each of which has a laterally extending inner edge aligned with the hollow, said inner edges being joined together and being curved outwardly to cause said top layer to drape down into the hollow to leave the hollow substantially unobstructed and prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 11

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said rear portion has a top surface that is contoured to form said central depression; said top surface of said rear portion has a plurality of rounded ridges separated by a plurality of valleys to form said central depression; and said ridges and said valleys extend laterally along the top surface of said rear portion, each said valley having a length that is less than the length of any said valley positioned forward thereof, and said rear portion decreasing in thickness in a forward direction from ridge to ridge and from valley to valley.

Claim 12

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said rear portion has a top surface that is contoured to form said central depression; said top surface of said rear portion has a plurality of rounded ridges separated by a plurality of valleys to form said central depression; and said ridges and said valleys extend laterally along the top surface of said rear portion, each said valley having a length that is less than the length of any said valley positioned forward thereof, and said rear portion decreasing in thickness in a forward direction from ridge to ridge and from valley to valley.

Claim 13

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said rear portion has a top surface that is contoured to form said central depression; said top surface of said rear portion has a plurality of rounded ridges separated by a plurality of valleys to form said central depression; and said valleys include a forwardly extending center valley and opposite side valleys that extend rearwardly and laterally inwardly.

Claim 14

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said rear portion has a top surface that is contoured to form said central depression; said top surface of said rear portion has a plurality of rounded ridges separated by a plurality of valleys to form said central depression; and said valleys include a forwardly extending center valley and opposite side valleys that extend rearwardly and laterally inwardly.

Claim 15

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said central portion of said rear portion has a reduced density relative to surrounding parts of said rear portion to form said central depression when pressure is applied to said rear portion.

Claim 16

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said rear portion having a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; in which said central portion of said rear portion has a reduced density relative to surrounding parts of said rear portion to form said central depression when pressure is applied to said rear portion.

Claim 17

A pillow as described in claim 10, in which said rear portion is formed with a laterally central internal cavity to reduce the density of said central portion of said rear portion and form said central depression when pressure is applied to said rear portion.

Claim 18

A pillow as described in claim 11, in which said forward portion is formed with a laterally central internal cavity to reduce the density of said forward portion at its lateral center and form a forward laterally central depression when pressure is applied to said forward portion to encourage a user to maintain the neck near the lateral center of said forward portion.

Claim 19

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said hollow having a forward edge, and a rear edge with a center portion that projects forwardly toward said forward edge; and said hollow, said forward portion, and said rear portion being shaped and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face.

Claim 20

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion, and a rear portion; said hollow having a forward edge, and a rear edge with a center portion that projects forwardly toward said forward edge; and said hollow, said forward portion, and said rear portion being shaped and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face.

Claim 21

A pillow as described in claim 13, in which said rear portion has a laterally central portion that forms a laterally central depression in said rear portion when the pillow is in use, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage and user to maintain the head near said lateral center.

Claim 22

A pillow as described in claim 14, in which the hollow has an essentially straight forward edge, opposite side edges that meet said straight forward edge at substantially square forward corners, and arcuate edge portions connecting said side edges to a rear edge.

Claim 23

A pillow as described in claim 13, in which the body further comprises a side portion on each side of the hollow, said side portions being dimensioned to give the pillow an overall standard size and having sufficient firmness to stabilize the shape of the body.

Claim 24

In combination: the pillow of claim 13, and a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, and an opening for receiving the pillow; said top layer being formed from two pieces each of which has a laterally extending inner edge aligned with the hollow, said inner edges being joined together and being curved outwardly to cause said top layer to drape down into the hollow to leave the hollow substantially unobstructed and prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 25

A pillow as described in claim 14, in which said rear portion has a top surface that has a plurality of rounded ridges separated by a plurality of valleys to form said central depression.

Claim 26

A hollow as described in claim 14, in which said central portion of said rear portion has a reduced density relative to surrounding parts of said rear portion to form said central depression when pressure is applied to said rear portion.

Claim 27

A pillow as described in claim 19, in which said rear portion is formed with a laterally central internal cavity to reduce the density of said central portion of said rear portion and form said central depression when pressure is applied to said rear portion.

Claim 28

A pillow as described in claim 20, in which said forward portion is formed with a laterally central internal cavity to reduce the density of said forward portion at its lateral center and form a forward laterally central depression when pressure is applied to said forward portion to encourage a user to maintain the neck near the lateral center of said forward portion.

Claim 29

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head rear said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said hollow having a forward edge, and a rear edge with a center portion that projects forwardly toward said forward edge.

Claim 30

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head rear said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said hollow having a forward edge, and a rear edge with a center portion that projects forwardly toward said forward edge.

Claim 31

A pillow as described in claim 22, in which the forward edge of the hollow is essentially straight; and the hollow has opposite side edges that meet the straight forward edge at substantially square forward corners, and arcuate edge portions connecting said side edges to the rear edge.

Claim 32

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near and said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said body including a bottom portion extending between said forward and rear portions and defining a bottom of the hollow, to increase the dimensional stability of the hollow and said forward and rear portions; a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, said top layer having a laterally extending opening defined by a rear edge and a forward edge, and said opening being aligned with the hollow; and fastening means, carried by said rear edge and said forward edge of the top layer of the pillowcase and by said bottom portion of the body of the pillow, for fastening said rear edge and said forward edge to said bottom portion, to cover said rear portion and said forward portion of the pillow while leaving the hollow substantially unobstructed to prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 33

In combination: a pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near and said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said body including a bottom portion extending between said forward and rear portions and defining a bottom of the hollow, to increase the dimensional stability of the hollow and said forward and rear portions; a pillowcase having a top layer and a bottom layer dimensioned to receive the body of the pillow therebetween, said top layer having a laterally extending opening defined by a rear edge and a forward edge, and said opening being aligned with the hollow; and fastening means, carried by said rear edge and said forward edge of the top layer of the pillowcase and by said bottom portion of the body of the pillow, for fastening said rear edge and said forward edge to said bottom portion, to cover said rear portion and said forward portion of the pillow while leaving the hollow substantially unobstructed to prevent the pillowcase from exerting pressure on said lower portion of the user's face.

Claim 34

A pillow as described in claim 22, in which said central depression is formed by a plurality of laterally extending rounded ridges separated by a plurality of laterally extending valleys, each said valley having a length that is less than the length of any said valley positioned forward thereof, and said rear portion decreasing in thickness in a forward direction from ridge to ridge and from valley to valley.

Claim 35

A pillow as described in claim 25, in which the forward edge of the hollow is essentially straight; and the hollow has opposite side edges that meet the straight forward edge at substantially square forward corners, and arcuate edge portions connecting said side edges to the rear edge.

Claim 36

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said central depression being formed by a plurality of valleys separated by a plurality of rounded ridges, said valleys including a forwardly extending center valley and opposite side valleys that extend rearwardly and laterally inwardly.

Claim 37

A pillow comprising a generally rectangular body having a top surface, a bottom surface, an oblong hollow formed in the body and opening onto the top surface, a forward portion having a first maximum thickness, and a rear portion having a top surface and a second maximum thickness that is no greater than said first maximum thickness; said top surface of said rear portion being contoured to form a laterally central depression in said rear portion, to provide a resting place for the top of a user's head at the lateral center of the pillow and to encourage the user to maintain the head near said lateral center; said hollow, said forward portion, and said rear portion being dimensioned and positioned so that, when a user is lying in a supine position, a top portion of the back of the user's head is supported by said rear portion, the back of the user's head below said top portion is adjacent to the hollow, and the user's neck is supported by said forward portion, and when the user turns from a supine position to a side position, the user's neck and a top portion of the user's head continue to be supported by said forward portion and said rear portion, respectively, and a lower portion of the user's face below the user's temple moves into a position adjacent to the hollow to prevent the pillow from exerting pressure on said lower portion of the user's face; and said central depression being formed by a plurality of valleys separated by a plurality of rounded ridges, said valleys including a forwardly extending center valley and opposite side valleys that extend rearwardly and laterally inwardly.

Claim 38

A pillow as described in claim 27, in which the hollow has an essentially straight forward edge, opposite side edges that meet said straight forward edge at substantially square forward corners, and arcuate edge portions connecting said side edges to a rear edge.

Claim 39

A pillow as described in claim 27, in which the hollow has a forward edge, and a rear edge with a center portion that projects forwardly toward said forward edge.

Claim 40

A pillow as described in claim 28, in which said rear edge of the hollow includes a center portion that projects forwardly toward said forward edge.

Claim 41

A pillow as described in claim 27, in which the body includes a bottom portion extending between said forward and rear portions and defining a bottom of the hollow, to increase the dimensional stability of the hollow and said forward and rear portions.