Patent US3141090A successfully refreshed from Google Patents.
US3141090A
Expired / Lapsed
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Portable heating trays
Assignee: IRWIN F MILLS ASSOCIATES
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Filing: 1961-10-24
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Granted: 1964-07-14
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Batcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/2483
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A PORTABLE HEATING TRAY, COMPRISING (A) A MAIN HEATING MEMBER HAVING (1) A DISH-SHAPED RECEPTACLE WITH A SUBSTANTIALLY FLAT BOTTOM AND A SURROUNDING WALL, AND (2) A HEATING ELEMENT OF FLAT SHAPE TO REST AGAINST THE FLAT BOTTOM OF THE DISH-SHAPED RECEPTACLE, AND (3) MEANS SECURED TO SAID RECEPTACLE WALL FOR SUPPORTING THE HEATING ELEMENT IN CONTACT WITH THE BOTTOM OF THE RECEPTACLE, SAID SUPPORTING MEANS BEING SO SECURED BY A RETURN FOLDED PORTION OF SAID RECEPTACLE WALL, SAID RETURN FOLDED PORTION EXTENDING BELOW AND AROUND THE EDGES OF SAID SAID EDGES OF SAID SUPPORTING MEANS, (B) A HEAT BAFFLE SUSPENDED FROM SAID SUPPORT FOR SAID HEATING ELEMENT; AND (C) HANDLES SECURED TO THE BAFFLE PLATE TO TRANSPORT THE HEATING TRAY.
Claim 2
Dependent Claim
121 words
A PORTABLE HEATING TRAY, COMPRISING (A) A MAIN HEATING MEMBER HAVING (1) A DISH-SHAPED RECEPTACLE WITH A SUBSTANTIALLY FLAT BOTTOM AND A SURROUNDING WALL, AND (2) A HEATING ELEMENT OF FLAT SHAPE TO REST AGAINST THE FLAT BOTTOM OF THE DISH-SHAPED RECEPTACLE, AND (3) MEANS SECURED TO SAID RECEPTACLE WALL FOR SUPPORTING THE HEATING ELEMENT IN CONTACT WITH THE BOTTOM OF THE RECEPTACLE, SAID SUPPORTING MEANS BEING SO SECURED BY A RETURN FOLDED PORTION OF SAID RECEPTACLE WALL, SAID RETURN FOLDED PORTION EXTENDING BELOW AND AROUND THE EDGES OF SAID SAID EDGES OF SAID SUPPORTING MEANS, (B) A HEAT BAFFLE SUSPENDED FROM SAID SUPPORT FOR SAID HEATING ELEMENT; AND (C) HANDLES SECURED TO THE BAFFLE PLATE TO TRANSPORT THE HEATING TRAY.
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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) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |