Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
139 words
A fireplace screen comprising a frame with a central opening adapted to be attached to a fireplace, at least one door having a top and a bottom and supported by and extending outwardly from said frame and movable to cover and uncover said opening, said door having a thickness of at least one inch from its inner side to its outer side and a transparent glass pane mounted therein spaced from the inner side of said door, at least two elongated tubular air ducts open at both ends, spaced apart from each other, extending vertically in said door, located toward the inner side of said door from said glass pane, and each having a wall which absorbs radiant heat from the fireplace causing heating of air in said duct, said door having openings communicating with said open duct ends.
Claim 2
Dependent Claim
139 words
A fireplace screen comprising a frame with a central opening adapted to be attached to a fireplace, at least one door having a top and a bottom and supported by and extending outwardly from said frame and movable to cover and uncover said opening, said door having a thickness of at least one inch from its inner side to its outer side and a transparent glass pane mounted therein spaced from the inner side of said door, at least two elongated tubular air ducts open at both ends, spaced apart from each other, extending vertically in said door, located toward the inner side of said door from said glass pane, and each having a wall which absorbs radiant heat from the fireplace causing heating of air in said duct, said door having openings communicating with said open duct ends.
Claim 3
Dependent Claim
15 words
Apparatus as recited in claim 1 wherein each said duct is a hollow metal cylinder.
Claim 4
Dependent Claim
18 words
Apparatus as recited in claim 1 wherein said door is hinged at one vertical edge to said frame.
Claim 5
Dependent Claim
42 words
Apparatus as recited in claim 1 wherein there are two doors and one of said doors has a seal strip engaging the other of said doors to impede air flow into said fireplace opening at the junction of said doors when closed.
Claim 6
Dependent Claim
164 words
A fireplace screen for a woodburning fireplace opening comprising an open frame adapted to be fastened to the face of a fireplace and surround the opening thereof, a pair of doors, hingedly attached to the sides of said frame, extending outwardly therefrom and adapted to close against said frame and each other to substantially close the opening of said fireplace, each said door being in the form of a box of substantial thickness with top, bottom, first vertical, and second vertical panels with a vertical rectangular glass pane with its four edges meeting the respective ones of said panels near their outer edges, a plurality of spaced apart tubular air ducts in said doors located toward the inner side of said door from said glass pane, each being open at both ends and extending from an opening in one of said bottom panels to an opening in one of said top panels, said bottom panels being spaced upward from the bottom of said frame.
Claim 7
Dependent Claim
164 words
A fireplace screen for a woodburning fireplace opening comprising an open frame adapted to be fastened to the face of a fireplace and surround the opening thereof, a pair of doors, hingedly attached to the sides of said frame, extending outwardly therefrom and adapted to close against said frame and each other to substantially close the opening of said fireplace, each said door being in the form of a box of substantial thickness with top, bottom, first vertical, and second vertical panels with a vertical rectangular glass pane with its four edges meeting the respective ones of said panels near their outer edges, a plurality of spaced apart tubular air ducts in said doors located toward the inner side of said door from said glass pane, each being open at both ends and extending from an opening in one of said bottom panels to an opening in one of said top panels, said bottom panels being spaced upward from the bottom of said frame.
Claim 8
Dependent Claim
15 words
Apparatus as recited in claim 5 wherein each said duct is a hollow metal cylinder.
Claim 9
Dependent Claim
19 words
Apparatus as recited in claim 5 wherein each said door is hinged at one vertical edge to said frame.
Claim 10
Dependent Claim
32 words
The apparatus as recited in claim 5 wherein each said duct has a horizontal cross-section, the greatest dimension of which is not greater than the thickness of said box forming said door.