Patent US2869333A successfully refreshed from Google Patents.
US2869333A
Expired / Lapsed
US
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Air conditioner for automotive vehicles and controls therefor
Assignee: D W Ovan & Sons Inc
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Filing: 1956-08-01
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Granted: 1959-01-20
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Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 James C Hoiby
- 👤 Robert L Westrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3226; F; F24; F24F; F24F1/00; F24F1/02; F24F1/029; F24F1/032; F24F1/0323
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |