Patent US2745937A successfully refreshed from Google Patents.
US2745937A
Expired / Lapsed
US
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Electric oven heating system
Assignee: General Electric Co
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Filing: 1953-08-24
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Granted: 1956-05-15
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Expires: 1973-08-24
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Welch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:12
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/08; F24C7/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2575113A
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US1121979A
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US2078675A
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US2218778A
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US2499906A
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US2515427A
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US2605380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |