US2582174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic cooking
Assignee: Raytheon Co
•
Filing: 1949-10-22
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Granted: 1952-01-08
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Expires: 1969-10-22
Abstract
No abstract record available.
Inventors
- 👤 Percy L Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:02
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; A; A23; A23L; A23L5/00; A23L5/10; A23L5/15; B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D2581/00; B65D2581/34; B65D2581/3437; B65D2581/3471; B65D2581/3483; B65D2581/3486; B65D2581/3494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190300658A
Cited
GB190608677A
Cited
US2193622A
Cited
US2340351A
Cited
US2474650A
Cited
US2413003A
Cited
US2480679A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |