Patent US2420590A successfully refreshed from Google Patents.
US2703679A
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US
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Electronic temperature regulator
Assignee: Garrett Corp
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Filing: 1949-07-22
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Granted: 1955-03-08
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Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 Clifford A Shank
- 👤 Jr Norman M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:49
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/24; G05D23/2451; G05D23/2453
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2282726A
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US2403917A
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US2423541A
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US2490919A
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US2487556A
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US2474441A
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US2531413A
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US2544031A
Cited
US2556065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |