US2738237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor cleat and track
Assignee: Individual
•
Filing: 1952-09-10
•
Granted: 1956-03-13
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Mieczyslaw G Bekker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:08
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308153A
Cited
US1398890A
Cited
US1633259A
Cited
US1825075A
Cited
GB452264A
Cited
GB507657A
Cited
US2412122A
Cited
US2455307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |