US3182727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste receptacle fire-prevention closure
Assignee: CAH IND Inc
•
Filing: 1963-05-29
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Granted: 1965-05-11
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Carl T Minton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:12
CPC Classifications
B; B65; B65F; B65F1/00; B65F1/14; B65F1/16; B65F1/1607; A; A62; A62C; A62C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A FIRE-PREVENTING CLOSURE FOR WASTE RECEPTACLES COMPRISING, A CLOSURE ELEMENT HAVING: (A) ONE WALL DIVERGING INWARDLY DOWNWARDLY AT AN ACUTE ANGLE FROM ITS AXIS AND OF A LENGTH SUBSTANTIALLY LESS THAN THE RADIUS OF THE EXTERNAL PERIMETER THEREOF, (B) A SECOND WALL CONNECTED TO AND ARCHED UPWARDLY OUTWARDLY FROM SAID ONE WALL AND BEING OF A LENGTH SUBSTANTIALLY EQUAL TO OR SLIGHTLY GREATER THAN SAID ONE WALL AND DISPOSED AT AN ACUTE ANGLE TO ITS AXIS AND OPPOSITE THE ANGLE OF SAID ONE WALL, AND (C) A THIRD WALL DEPENDING FROM THE INNER PERIMETER OF SAID SECOND WALL AND TAPERING SLIGHTLY INWARDLY, WITH THE LOWER END THEREOF BEING LOCATED BELOW THE INNER PERIMETER OF SAID ONE WALL, WHEREBY AN ANNULAR CHAMBER IS FORMED AROUND THE THIRD WALL COMMUNICABLE WITH THE RECEPTACLE THROUGH AN ANNULAR OPENING DISPOSED ABOVE THE OPEN END OF THE THIRD WALL.
Claim 2
Dependent Claim
144 words
A FIRE-PREVENTING CLOSURE FOR WASTE RECEPTACLES COMPRISING, A CLOSURE ELEMENT HAVING: (A) ONE WALL DIVERGING INWARDLY DOWNWARDLY AT AN ACUTE ANGLE FROM ITS AXIS AND OF A LENGTH SUBSTANTIALLY LESS THAN THE RADIUS OF THE EXTERNAL PERIMETER THEREOF, (B) A SECOND WALL CONNECTED TO AND ARCHED UPWARDLY OUTWARDLY FROM SAID ONE WALL AND BEING OF A LENGTH SUBSTANTIALLY EQUAL TO OR SLIGHTLY GREATER THAN SAID ONE WALL AND DISPOSED AT AN ACUTE ANGLE TO ITS AXIS AND OPPOSITE THE ANGLE OF SAID ONE WALL, AND (C) A THIRD WALL DEPENDING FROM THE INNER PERIMETER OF SAID SECOND WALL AND TAPERING SLIGHTLY INWARDLY, WITH THE LOWER END THEREOF BEING LOCATED BELOW THE INNER PERIMETER OF SAID ONE WALL, WHEREBY AN ANNULAR CHAMBER IS FORMED AROUND THE THIRD WALL COMMUNICABLE WITH THE RECEPTACLE THROUGH AN ANNULAR OPENING DISPOSED ABOVE THE OPEN END OF THE THIRD WALL.
References Cited (Backward Citations)
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Cited
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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) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |