Patent US2914644A successfully refreshed from Google Patents.
US2914644A
Expired / Lapsed
US
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Oven control apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1957-10-11
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Granted: 1959-11-24
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Expires: 1977-10-11
Abstract
No abstract record available.
Inventors
- 👤 Calvin J Holtkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:47
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/27537
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2056941A
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US2273734A
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US2510526A
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US2499906A
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US2611850A
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US2727973A
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US2780709A
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US2819371A
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US2820130A
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US2883507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |