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Patent US2932714A successfully refreshed from Google Patents.
US2932714A
Expired / Lapsed
US
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Transistor temperature regulator
Assignee: General Dynamics Corp
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Filing: 1957-02-14
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Granted: 1960-04-12
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Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 John B Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/2033; G05D23/2034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2604496A
Cited
US2757243A
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US2725317A
Cited
US2806200A
Cited
US2802071A
Cited
US2808471A
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US2767330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |