US3543871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for tracked vehicles
Assignee: Individual
•
Filing: 1968-04-04
•
Granted: 1970-12-01
•
Expires: 1988-04-04
Abstract
No abstract record available.
Inventors
- 👤 Hermann Klaue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:40
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; B62D11/10; B62D11/14; B62D11/18; B62D11/183; F; F16; F16H; F16H59/00; F16H59/02; F16H59/04; F16H59/045; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |