US3789825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace closure apparatus
Assignee: Individual
•
Filing: 1972-06-20
•
Granted: 1974-02-05
•
Expires: 1992-06-20
Abstract
Abstract A closure device for sealing a fireplace opening over the hearth of the fireplace when it is not in use, having a cover member with sealing material along the bottom edge and along the back of the cover member along the side and top edges, and also having a pair of ''''J'''' shaped springs mounted on the back of the panel by a height adjusting mechanism for covering over the edge of the roof of the fireplace opening and frictionally engaging the roof to hold the cover member firmly but detachably in place, thus sealing the fireplace opening.
Inventors
- 👤 L Reiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:09
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/191; F24B1/192; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0814; Y10T292/0817
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
212 words
A closure device for use in combination with a fireplace having a hearth and walls extending around and over said hearth which define the opening of the fireplace, and said closure device being adapted to seal said opening, said closure device comprising: a. a substantially rigid panel adapted to cover a fireplace opening, said panel having a back adapted to face a fireplace opening and a front, b. a pair of struts disposed in spaced-apart relationship on the back of said panel, said struts having a portion extending rearwardly from said back of said panel, said struts each having a column of holes, c. a pair of ''''J'''' shaped spring members having curved sections and leg sections, said leg sections having holes therein, d. fastening means in selected ones of said holes in said legs and in said struts, securing each of said spring members into a different one of said struts with said cUrved sections extending upwardly toward an edge of said panel and away from the back of said panel, said spring members being adapted to cam over the edge of a fireplace opening and exert spring forces against the walls of said opening to hold said panel in sealing relationship with said opening over the front of said fireplace.
Claim 2
Dependent Claim
212 words
A closure device for use in combination with a fireplace having a hearth and walls extending around and over said hearth which define the opening of the fireplace, and said closure device being adapted to seal said opening, said closure device comprising: a. a substantially rigid panel adapted to cover a fireplace opening, said panel having a back adapted to face a fireplace opening and a front, b. a pair of struts disposed in spaced-apart relationship on the back of said panel, said struts having a portion extending rearwardly from said back of said panel, said struts each having a column of holes, c. a pair of ''''J'''' shaped spring members having curved sections and leg sections, said leg sections having holes therein, d. fastening means in selected ones of said holes in said legs and in said struts, securing each of said spring members into a different one of said struts with said cUrved sections extending upwardly toward an edge of said panel and away from the back of said panel, said spring members being adapted to cam over the edge of a fireplace opening and exert spring forces against the walls of said opening to hold said panel in sealing relationship with said opening over the front of said fireplace.
Claim 3
Dependent Claim
53 words
The invention as set forth in claim 1 wherein said edge of said panel is the upper edge thereof and wherein said panel has a strip of sealing material along the bottom edge thereof whereby said spring members compress said bottom edge sealing material when said panel is disposed in a fireplace opening.
Claim 4
Dependent Claim
48 words
The invention as set forth in claim 2 including strips of sealing material disposed along the top and side edges of said panelmember on the back of said panel member so as to seal the opening when said panel member is disposed over the front of a fireplace.
Claim 5
Dependent Claim
52 words
The invention as set forth in claim 1 wherein said panel is a metal sheet, the edges of said sheet forming the top, bottom, and side edges of said panel being bent in ''''L'''' shape with the legs of said L extending rearwardly and then inwardly along the back of said panel.
Claim 6
Dependent Claim
35 words
The invention as set forth in claim 4 including strips of sealing material disposed along the inwardly extending legs of said top and side edges and along the rearwardly extending leg of said bottom edge.
References Cited (Backward Citations)
US840343A
Cited
US1590396A
Cited
US1606112A
Cited
US2398240A
Cited
US3162188A
Cited
US3170507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-04 | 1985-08-06 | 1986-02-05 | $7700.00 | Window Closed / Lapsed |