Patent US2529489A successfully refreshed from Google Patents.
US2529489A
Expired / Lapsed
US
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Torque dividing driving and control mechanism for vehicles
Assignee: Individual
•
Filing: 1945-08-13
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Granted: 1950-11-14
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Expires: 1965-08-13
Abstract
No abstract record available.
Inventors
- 👤 George W Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:37
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190511449A
Cited
US1035860A
Cited
US1024182A
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US1247725A
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US1278256A
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US1370579A
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US1443591A
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US1361875A
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US1519494A
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US2329372A
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US2277004A
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US2376699A
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US2393324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |