Patent US2863979A successfully refreshed from Google Patents.
US2863979A
Expired / Lapsed
US
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Food warmer
Assignee: SUPURDISPLAY Inc
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Filing: 1957-02-27
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Granted: 1958-12-09
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Harold J Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:17
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/24; A47J36/2483; A23; A23L; A23L5/00; A23L5/10; A23L5/15; A47J36/2488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434166A
Cited
US1091714A
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US1282195A
Cited
US1535638A
Cited
US1514375A
Cited
US2429241A
Cited
US2738410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |