US3372689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fireplace door
Assignee: HERITAGE FIREPLACE EQUIPMENT CO
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Filing: 1965-08-06
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Granted: 1968-03-12
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 James A Goudy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:53
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/02; F24C15/04; F24C15/045; F24B; F24B1/00; F24B1/18; F24B1/191; F24B1/192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A FIREPLACE WITH A FRONT OPENING AND DOORS EACH COMPRISING A PLURALITY OF FOLDABLE PANELS HINGED AT THEIR RESPECTIVE OUTER EDGES TO OPPOSITE EDGES OF THE OPENING, AND A TRACK AT THE TOP AND BOTTOM OF THE OPENING, WITH PROJECTABLE MEANS IN THE TOP AND BOTTOM OF THE INSIDE EDGE OF EACH INNERMOST DOOR PANEL ENGAGEABLE IN AND DISENGAGEABLE FROM THE RESPECTIVE TRACKS, THE IMPROVEMENT IN WHICH EACH TRACK IS A PORTION OF A ONE-PIECE SHROUD-AND-TRACK-FORMING TRIM WHICH INCLUDES OPPOSED CHANNEL-SHAPED TRACK MEANS, EACH OF WHICH IS SPACED VERTICALLY FROM THE NEAREST HORIZONTAL EDGE OF THE DOORS WHEN CLOSED OVER THE OPENING SO AS TO PROVIDE A SLIT OPENING BETWEEN THE DOORS AND THE TRIM, WITH CAMS NEAR THE RESPECTIVE ENDS OF AT LEAST ONE OF SAID TRACK MEANS TO MOVE THE PROJECTABLE MEANS WHEN PROJECTED INTO THE TRACK OUTWARDLY AS IT APPROACHES AN END OF THE TRACK, EACH OF SAID SHROUD-AND-TRACK-FORMING TRIMS BEING FORMED OF A SINGLE SHEET OF METAL AND COMPRISING AS INTEGRAL PARTS THEREOF: (1) TRIM MEANS BENT BACK VERTICALLY FROM THE FRONT EDGE OF THE TRACK AND COVERING A FACE OF THE FIRE-
Claim 2
Dependent Claim
188 words
IN A FIREPLACE WITH A FRONT OPENING AND DOORS EACH COMPRISING A PLURALITY OF FOLDABLE PANELS HINGED AT THEIR RESPECTIVE OUTER EDGES TO OPPOSITE EDGES OF THE OPENING, AND A TRACK AT THE TOP AND BOTTOM OF THE OPENING, WITH PROJECTABLE MEANS IN THE TOP AND BOTTOM OF THE INSIDE EDGE OF EACH INNERMOST DOOR PANEL ENGAGEABLE IN AND DISENGAGEABLE FROM THE RESPECTIVE TRACKS, THE IMPROVEMENT IN WHICH EACH TRACK IS A PORTION OF A ONE-PIECE SHROUD-AND-TRACK-FORMING TRIM WHICH INCLUDES OPPOSED CHANNEL-SHAPED TRACK MEANS, EACH OF WHICH IS SPACED VERTICALLY FROM THE NEAREST HORIZONTAL EDGE OF THE DOORS WHEN CLOSED OVER THE OPENING SO AS TO PROVIDE A SLIT OPENING BETWEEN THE DOORS AND THE TRIM, WITH CAMS NEAR THE RESPECTIVE ENDS OF AT LEAST ONE OF SAID TRACK MEANS TO MOVE THE PROJECTABLE MEANS WHEN PROJECTED INTO THE TRACK OUTWARDLY AS IT APPROACHES AN END OF THE TRACK, EACH OF SAID SHROUD-AND-TRACK-FORMING TRIMS BEING FORMED OF A SINGLE SHEET OF METAL AND COMPRISING AS INTEGRAL PARTS THEREOF: (1) TRIM MEANS BENT BACK VERTICALLY FROM THE FRONT EDGE OF THE TRACK AND COVERING A FACE OF THE FIRE-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |