US2932177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile air conditioner
Assignee: Individual
•
Filing: 1957-04-17
•
Granted: 1960-04-12
•
Expires: 1977-04-17
Abstract
No abstract record available.
Inventors
- 👤 Paul H Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/04; F28D1/0408; F28D1/0426; F28D1/0435; B; B60; B60H; B60H1/00; B60H1/32; B60H1/3204; B60H1/3227; B60H1/3233; B60H1/32331
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1064272A
Cited
US1874803A
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US1935281A
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US2009882A
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US1969863A
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US2181354A
Cited
US2296997A
Cited
US2323511A
Cited
US2355289A
Cited
US2820351A
Cited
US2771750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |