Patent US2711077A successfully refreshed from Google Patents.
US2711077A
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Steering control mechanism for crawler tractors
Assignee: Denison Engineering Co
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Filing: 1954-06-08
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Granted: 1955-06-21
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Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Cecil E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:33
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/44; F16H61/456; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-20 | 1958-12-20 | 1959-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-20 | 1962-12-20 | 1963-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-20 | 1966-12-20 | 1967-06-21 | $7700.00 | Window Closed / Lapsed |