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US3820262A Expired / Lapsed US ⏱️ 0.0 years remaining

Display device

Assignee: DONALDSON DISPLAY CO Inc
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Filing: 1972-04-06
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Granted: 1974-06-28
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Expires: 1992-04-06
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Abstract

Abstract A display device is provided constituted of a pair of members disposed with upstanding sections thereof in normal contiguous relation. These sections are adapted for spreading apart to permit ready insertion of a display between the sections which act as protective covers for the display.

Inventors

  • 👤 P Dewsnap

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 16:49
CPC Classifications
G; G09; G09F; G09F1/00; G09F1/10; G09F1/14

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 145 words
A display device comprising a pair of substantially identical members each constituted of an upstanding section and a base portion offset in one direction from said upstanding section, and being inclined with respect thereto at an obtuse angle, and longitudinally spaced apart means integrally formed adjacent the base portion of the upstanding section of each member and comprising a projection and a slot in longitudinal alignment, said spaced apart means interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, at least one of said upstanding sections being light transmitting, said contiguous and aligned sections being adapted, upon simultaneous application of a downward manual force upon each of the offset sections, for separation a distance sufficient to permit insertion of a display between said members.
Claim 2
Dependent Claim 145 words
A display device comprising a pair of substantially identical members each constituted of an upstanding section and a base portion offset in one direction from said upstanding section, and being inclined with respect thereto at an obtuse angle, and longitudinally spaced apart means integrally formed adjacent the base portion of the upstanding section of each member and comprising a projection and a slot in longitudinal alignment, said spaced apart means interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, at least one of said upstanding sections being light transmitting, said contiguous and aligned sections being adapted, upon simultaneous application of a downward manual force upon each of the offset sections, for separation a distance sufficient to permit insertion of a display between said members.
Claim 3
Dependent Claim 27 words
A device according to claim 1, wherein said projection in each upstanding section is on a side thereof opposite the side from which said base portion extends.
Claim 4
Dependent Claim 51 words
A device according to claim 1, wherein one of the members is assembled in reverse relation to the other member with the projection on one of the members in the slot of the other and with the projection of the other member in the slot of said one of said members.
Claim 5
Dependent Claim 14 words
A device according to claim 3, wherein both upstanding sections comprise clear plastic material.
Claim 6
Dependent Claim 11 words
A device according to claim 3, wherein both members are transparent.
Claim 7
Dependent Claim 34 words
A device according to claim 1, wherein said offset base portions support the deVice and in their supportive position, by virtue of upwardly directed forces acting thereon, urging said upstanding sections toward one another.
Claim 8
Dependent Claim 131 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion offset from said upstanding section, and complementary acting means integral with the upstanding section of each member, said complementary acting means comprising combined camming and sole connecting means for, on the one hand, interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections and, on the other hand, for enabling separation of said contiguous and aligned sections, upon simultaneous application of a downward manual force upon each of the offset sections, a distance sufficient to permit insertion of a display between said members, at least one of said upstanding sections being light transmitting.
Claim 9
Dependent Claim 131 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion offset from said upstanding section, and complementary acting means integral with the upstanding section of each member, said complementary acting means comprising combined camming and sole connecting means for, on the one hand, interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections and, on the other hand, for enabling separation of said contiguous and aligned sections, upon simultaneous application of a downward manual force upon each of the offset sections, a distance sufficient to permit insertion of a display between said members, at least one of said upstanding sections being light transmitting.
Claim 10
Dependent Claim 43 words
A device according to claim 7 wherein each said upstanding section is curved and said base portion on one section is offset in one direction and the base portion on the other section is offset in an opposite direction to said one direction.
Claim 11
Dependent Claim 160 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion offset from said upstanding section, and longitudinally spaced apart means integral with the upstanding section of each member, said spaced apart means interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, at least one of said upstanding sections being light transmitting, said contiguous and aligned sections being adapted, upon simultaneous application of a downward manual force upon each of the offset sections, for separation a distance sufficient to permit insertion of a display between said members, said longitudinally spaced apart means on each upstanding section being formed adjacent the base portion and comprising a projection and a slot in longitudinal alignment, said projection in each upstanding section being on a side thereof opposite the side from which said base portion extends.
Claim 12
Dependent Claim 160 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion offset from said upstanding section, and longitudinally spaced apart means integral with the upstanding section of each member, said spaced apart means interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, at least one of said upstanding sections being light transmitting, said contiguous and aligned sections being adapted, upon simultaneous application of a downward manual force upon each of the offset sections, for separation a distance sufficient to permit insertion of a display between said members, said longitudinally spaced apart means on each upstanding section being formed adjacent the base portion and comprising a projection and a slot in longitudinal alignment, said projection in each upstanding section being on a side thereof opposite the side from which said base portion extends.
Claim 13
Dependent Claim 135 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion extending at an obtuse angle from said upstanding section and terminating in a free edge, and complementary acting means integral with the upstanding section of each member, said complementary acting means comprising combined camming and sole connecting means for, on the one hand, interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, and on the other hand, for enabling separation of said contiguous and aligned sections, upon simultaneous application of a downward manual force upon the free edges of each of the base portions, a distance sufficient to permit insertion of a display between said members.
Claim 14
Dependent Claim 135 words
A display device comprising a pair of members each constituted of an upstanding section and a base portion extending at an obtuse angle from said upstanding section and terminating in a free edge, and complementary acting means integral with the upstanding section of each member, said complementary acting means comprising combined camming and sole connecting means for, on the one hand, interconnecting said pair of members with the upstanding sections in normal contiguous and aligned relation and with said base portions offset in opposite directions in relation to the upstanding sections, and on the other hand, for enabling separation of said contiguous and aligned sections, upon simultaneous application of a downward manual force upon the free edges of each of the base portions, a distance sufficient to permit insertion of a display between said members.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-06-27 1977-12-27 1978-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-06-27 1981-12-27 1982-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-06-27 1985-12-27 1986-06-28 $7700.00 Window Closed / Lapsed

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