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US2615542A
Expired / Lapsed
US
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Clutch and brake for steering vehicles
Assignee: Keppel LeTourneau USA Inc
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Filing: 1947-07-28
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Granted: 1952-10-28
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Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:44
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)
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US1505533A
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US1566111A
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US2023597A
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US2233192A
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US2372311A
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US2291241A
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US2380619A
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US2328606A
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US2393324A
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US2351098A
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US2384182A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |