US3913558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace screen
Assignee: PACIFIC FENCE AND WIRE Co
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Filing: 1974-05-20
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Granted: 1975-10-21
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Expires: 1994-05-20
Abstract
Abstract Folding glass doors have a novel pivotal mounting for easy removal for cleaning. An optional wire mesh curtain may be mounted behind the doors. A draft control at the bottom of the frame is adjustable by a foot or hand operated lever. Installation of the frame is facilitated by an improved lintel bracket.
Inventors
- 👤 Byron Lee Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:09
CPC Classifications
F; F24; F24B; F24B13/00; F24B13/004; F24B1/00; F24B1/18; F24B1/191; F24B1/192
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
202 words
In a fireplace screen, a vertical frame having upper and lower channel strips forming the upper and lower edges of a door opening, a folding door in said opening comprising a pair of substantially identical door panels, each of said door panels comprising a single channel member bent to rectangular configuration with the flanges of the channel directed outwardly, a vertical pivot rod welded in the channel of said channel member along one vertical edge of the panel and projecting beyond the upper and lower edges of the panel, a pair of straight square bars welded in the channel of said channel member along the horizontal upper and lower edges of the panel, one end of each bar being welded to said pivot rod, a pair of L-shaped square bars welded in the channel of said channel member around the corners at the opposite vertical edge of said panel, a hinge connecting said opposite vertical edges of the two panels, and means pivotally mounting said vertical pivot rod of one panel in said upper and lower channel strips, the projecting upper and lower ends of the vertical pivot rod in the second panel being slidable in said upper and lower channel strips.
Claim 2
Dependent Claim
202 words
In a fireplace screen, a vertical frame having upper and lower channel strips forming the upper and lower edges of a door opening, a folding door in said opening comprising a pair of substantially identical door panels, each of said door panels comprising a single channel member bent to rectangular configuration with the flanges of the channel directed outwardly, a vertical pivot rod welded in the channel of said channel member along one vertical edge of the panel and projecting beyond the upper and lower edges of the panel, a pair of straight square bars welded in the channel of said channel member along the horizontal upper and lower edges of the panel, one end of each bar being welded to said pivot rod, a pair of L-shaped square bars welded in the channel of said channel member around the corners at the opposite vertical edge of said panel, a hinge connecting said opposite vertical edges of the two panels, and means pivotally mounting said vertical pivot rod of one panel in said upper and lower channel strips, the projecting upper and lower ends of the vertical pivot rod in the second panel being slidable in said upper and lower channel strips.
Claim 3
Dependent Claim
60 words
A fireplace screen as defined in claim 1 including a glass pane in said panel in the plane of said rectangular configuration, and trim channel members on the vertical and horizontal edges of the panel enclosing said panel channel member, pivot rod and bars and overlying opposite faces of said glass pane to retain the glass pane in the panel.
Claim 4
Dependent Claim
60 words
A fireplace screen as defined in claim 1 including a second folding door similar to said first folding door, and centering guides at mid length in said channel strips engageable with said pivot rods in said second panels of both doors to hold the meeting edges of the two doors in alignment with each other when the doors are closed.
Claim 5
Dependent Claim
46 words
A fireplace screen as defined in claim 1, including a curtain rod, a pair of wire mesh curtains slidable on said curtain rod, hanger brackets for said curtain rod, and means supporting said hanger brackets on said frame with said curtains disposed behind said door opening.
Claim 6
Dependent Claim
56 words
A fireplace screen as defined in claim 1 including an apertured draft control plate slidable in said frame beneath said door opening, and a foot operated control for said plate comprising a bell crank lever having a horizontal arm projecting from said frame for up and down movement and a vertical arm connected to said plate.
Claim 7
Dependent Claim
68 words
A fireplace screen as defined in claim 1 including a vertical Back plate on an upper portion of said frame having a vertical slot therein, a lintel bracket having a horizontal T head on one end thereof insertable in said slot, and a slot in the other end of said bracket adapted to receive a screw in a fireplace lintel bar to secure said frame to a fireplace.
Claim 8
Dependent Claim
135 words
A fireplace screen comprising a vertical frame, a back plate on an upper portion of said frame having vertical slot therein, a lintel bracket having a horizontal T-head on one end thereof insertable in said slot, said T-head comprising a flat plate of less thickness than the width of said slot having a wide head portion wider than said slot and a narrow neck portion narrower than said slot whereby said head portion will pass through said slot in vertical position, the opposite end of said bracket extending horizontally in a rearward direction and offset in a vertical direction from said T head, and a longitudinal slot in said opposite end adapted to receive a screw in a fireplace lintel bar to secure said frame to a fireplace with said head portion in horizontal position.
Claim 9
Dependent Claim
135 words
A fireplace screen comprising a vertical frame, a back plate on an upper portion of said frame having vertical slot therein, a lintel bracket having a horizontal T-head on one end thereof insertable in said slot, said T-head comprising a flat plate of less thickness than the width of said slot having a wide head portion wider than said slot and a narrow neck portion narrower than said slot whereby said head portion will pass through said slot in vertical position, the opposite end of said bracket extending horizontally in a rearward direction and offset in a vertical direction from said T head, and a longitudinal slot in said opposite end adapted to receive a screw in a fireplace lintel bar to secure said frame to a fireplace with said head portion in horizontal position.
Claim 10
Dependent Claim
65 words
A fireplace screen as defined in claim 7 including a pair of pressure clamps for securing the lower corners of said frame, each pressure clamp comprising a slotted L-shaped bracket, a screw in said slot securing one leg of said bracket to said frame, and a setscrew in the other leg of the bracket arranged to clamp against a vertical side wall in the fireplace.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |