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US2898745A
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Automobile air conditioning and supercharging system
Assignee: Individual
•
Filing: 1954-04-19
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Granted: 1959-08-11
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Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Zenas V Weisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:14
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/22; B; B60; B60H; B60H1/00; B60H1/00007; F01; F01N; F01N5/00; F01N5/04; F02B29/00; F02B29/04; F02B29/0406; F02B29/0418; F02B29/0437; F02B29/0443; F02B33/00; F02B33/44; F02B33/446; F02B37/16; F02B37/164; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2491461A
Cited
US2582848A
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US2409159A
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US2484851A
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US2678542A
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US2628482A
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US2670613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |