US4036205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace stove
Assignee: HAYES TE EQUIPMENT CORP
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Filing: 1975-05-02
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Granted: 1977-07-19
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Expires: 1995-05-02
Abstract
Abstract A conventional fireplace opening is closed off by a flat steel plate the size of which will cover conventional fireplace openings. Two clamps permit the plate to be secured to the fireplace lintel. A firebox is bolted to the front of the plate so that it is located entirely within the room, rather than in the fireplace opening. An access door is provided at the front of the firebox, and a draft opening below the door provides control of inlet air to the fire. A damper valve is located in an exhaust opening at the rear of the firebox to provide control of the products of combustion within the firebox.
Inventors
- 👤 Robert William Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:25
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/1806; F24B1/02
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
138 words
A fireplace stove comprising a generally planar flat plate of such a size that marginal portions are adapted to overlie the sides of a fireplace opening, a hollow rectangular firebox structure which includes a horizontal top and vertically extending side walls, said firebox structure having a rear wall supported by said plate and having a bottom wall and a front wall defining an access opening, an access door in said opening, said front wall further including an air inlet opening adjacent the lower portion of said front wall, a side valve for metering flow of inlet air, said plate defining an exhaust opening adjacent the upper portion of the rear wall of said firebox structure, a damper valve is said exhaust opening, and handle means accessible from outside said firebox to adjust the position of said damper valve.
Claim 2
Dependent Claim
138 words
A fireplace stove comprising a generally planar flat plate of such a size that marginal portions are adapted to overlie the sides of a fireplace opening, a hollow rectangular firebox structure which includes a horizontal top and vertically extending side walls, said firebox structure having a rear wall supported by said plate and having a bottom wall and a front wall defining an access opening, an access door in said opening, said front wall further including an air inlet opening adjacent the lower portion of said front wall, a side valve for metering flow of inlet air, said plate defining an exhaust opening adjacent the upper portion of the rear wall of said firebox structure, a damper valve is said exhaust opening, and handle means accessible from outside said firebox to adjust the position of said damper valve.
Claim 3
Dependent Claim
112 words
The stove according to claim 1 further comprising clamping means for securing said plate in said fireplace opening, said clamping means including an L-shaped bracket one leg of which L is vertically oriented and abuts the inner surface of said plate and the other of which L legs extends inwardly and horizontally below the fireplace lintel, an abutment member carried by said horizontal leg for engaging the rear of the lintel, and anchor bolt means for securing said L-shaped bracket to said plate, said bolt means extending through a vertically elongated slot in said plate to provide a degree of vertical adjustment of said clamping means to accommodate lentils of various height.
Claim 4
Dependent Claim
39 words
The stove according to claim 2 wherein said clamping means comprises two such L-shaped brackets, associated lintel engaging abutments, and bolt means, said two clamping means arranged in a symmetrical fashion one on either side of said firebox structure.
Claim 5
Dependent Claim
35 words
The stove according to claim 3 further comprising adjustable support legs located intermediate the front and rear walls and depending from said bottom wall to cooperate with said plate in supporting said rectangular firebox structure.
Claim 6
Dependent Claim
86 words
The stove according to claim 1 wherein said rear wall of said firebox structure abuts said plate and bolts secure said rear wall to said plate to support said firebox structure, said exhaust opening being defined in said rear wall and in said plate, and a vertical shaft supporting said damper valve for movement between a closed position in the said exhaust opening and an open position generally perpendicular to the plane of said exhaust opening, said shaft having an upper end defining said handle means.
Claim 7
Dependent Claim
109 words
A fireplace stove comprising a generally planar flat plate having a size and shape adapted to overlie and seal off a conventional fireplace opening, a rectangular firebox structure supported by said plate and having a bottom wall spaced above the lower edge of the plate, said firebox structure having a horizontal top wall parallel the bottom wall and serviceable as a stove top, a front wall with an access opening and an access door for said opening, an air inlet opening in said front wall, and means defining an exhaust opening in said plate providing communication between the hollow interior of said firebox and the inside of the fireplace.
Claim 8
Dependent Claim
109 words
A fireplace stove comprising a generally planar flat plate having a size and shape adapted to overlie and seal off a conventional fireplace opening, a rectangular firebox structure supported by said plate and having a bottom wall spaced above the lower edge of the plate, said firebox structure having a horizontal top wall parallel the bottom wall and serviceable as a stove top, a front wall with an access opening and an access door for said opening, an air inlet opening in said front wall, and means defining an exhaust opening in said plate providing communication between the hollow interior of said firebox and the inside of the fireplace.
Claim 9
Dependent Claim
86 words
The stove according to claim 6 further comprising clamping means for securing said plate in front of said fireplace opening, said clamping means including at least one L-shaped bracket having a horizontally extending leg below the fireplace lintel and a generally vertically oriented depending leg parallel said plate, abutment means carried by said horizontal leg for engaging the rear of the lintel and anchor bolt means extending through aligned openings in said depending leg and in said plate to clamp said plate against said fireplace opening.
Claim 10
Dependent Claim
42 words
The stove according to claim 7 wherein said anchor bolt means comprises two anchor bolts provided one on either side of said firebox structure, and said abutment means comprising two elements for engaging the rear of the lintel at horizontally spaced locations.
Claim 11
Dependent Claim
30 words
The stove according to claim 7 further comprising adjustable support legs located adjacent the front wall of the firebox structure to cooperate with said plate in supporting said firebox structure.
Claim 12
Dependent Claim
90 words
The stove according to claim 9 wherein said firebox structure includes a rear wall, and bolts to secure said rear wall to said plate to support said firebox structure, said exhaust opening being defined in said rear wall and in said plate, a damper valve in said exhaust opening and a vertical shaft supporting said damper valve for movement between a closed position in the said exhaust opening and an open position generally perpendicular to the plane of said exhaust opening, said shaft having an upper end defining handle means.
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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) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |