US2654639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensioning device for tractors
Assignee: Individual
•
Filing: 1952-11-24
•
Granted: 1953-10-06
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Expires: 1972-11-24
Abstract
No abstract record available.
Inventors
- 👤 Bombardier Joseph Armand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:30
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0621; B62D49/0635; B62D55/00; B62D55/08; B62D55/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |