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US2976386A
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US
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Electric food warmers
Assignee: Individual
•
Filing: 1958-03-31
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Granted: 1961-03-21
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Lewis L Salton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:35
CPC Classifications
H; H05; H05B; H05B3/00; A; A47; A47J; A47J27/00; A47J27/004; H05B3/68; H05B3/74; H05B3/748
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2553974A
Cited
US2572163A
Cited
US2673142A
Cited
US2563875A
Cited
GB760573A
Cited
US2825543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |