Patent US2949842A successfully refreshed from Google Patents.
US2949842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile window ventilator
Assignee: Individual
•
Filing: 1956-11-21
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Granted: 1960-08-23
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Expires: 1976-11-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Crandall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/24; B60H1/26; B60H1/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1660893A
Cited
US1865961A
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US1968529A
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US1905394A
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US2468439A
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US2557442A
Cited
US2573396A
Cited
US2715866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |