Patent US2634671A successfully refreshed from Google Patents.
US2634671A
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US
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Air conditioning system for vehicles
Assignee: American Motors Corp
•
Filing: 1949-09-06
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Granted: 1953-04-14
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Expires: 1969-09-06
Abstract
No abstract record available.
Inventors
- 👤 Stanley V Puidokas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:55
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/26; B60H1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1643966A
Cited
US1474075A
Cited
US1642319A
Cited
US1676191A
Cited
GB457964A
Cited
US2152414A
Cited
US2198156A
Cited
US2367904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |