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US2862652A
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US
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Air conditioner construction for automotive vehicles
Assignee: D W Ovan & Sons Inc
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Filing: 1956-02-14
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Granted: 1958-12-02
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Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 James C Hoiby
- 👤 Robert L Westrum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3226; F; F01; F01P; F01P5/00; F01P5/02; F02; F02B; F02B67/00; F02B67/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2103862A
Cited
US2285215A
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US2416153A
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US2455421A
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US2513679A
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US2518284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |