Patent US2942783A successfully refreshed from Google Patents.
US2942783A
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US
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Thermostatically stabilized system
Assignee: North American Aviation Corp
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Filing: 1957-07-01
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Granted: 1960-06-28
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Expires: 1977-07-01
Abstract
No abstract record available.
Inventors
- 👤 George A Dyer
- 👤 Harold G Markey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:35
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; G; G05; G05D; G05D23/00; G05D23/19; G05D23/1919; G05D23/275; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |