US2874591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive for track-laying vehicles
Assignee: Individual
•
Filing: 1954-08-31
•
Granted: 1959-02-24
•
Expires: 1974-08-31
Abstract
No abstract record available.
Inventors
- 👤 Thoma Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:07
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/437; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088; F16H47/00; F16H47/02; F16H47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1307819A
Cited
GB212693A
Cited
US2025513A
Cited
US2336911A
Cited
US2336912A
Cited
US2393557A
Cited
US2580946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |