Patent US2030653A successfully refreshed from Google Patents.
US2640142A
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US
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Microwave heating
Assignee: Westinghouse Electric Corp
•
Filing: 1946-10-04
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Granted: 1953-05-26
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Expires: 1966-10-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Kinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:58
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78; Y; Y10; Y10S; Y10S159/00; Y10S159/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626713A
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US2151157A
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US2226871A
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US2248840A
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US2291807A
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US2364526A
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US2500752A
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US2560903A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |