US2455110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction device for tractors
Assignee: Individual
•
Filing: 1945-06-08
•
Granted: 1948-11-30
•
Expires: 1965-06-08
Abstract
No abstract record available.
Inventors
- 👤 Hugh N Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:21
CPC Classifications
B; B60; B60C; B60C27/00; B60C27/02; B60C27/04; B60C27/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR362851A
Cited
US877152A
Cited
US1369174A
Cited
US1376792A
Cited
US1906776A
Cited
US2032293A
Cited
US2377195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-30 | 1952-05-31 | 1952-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-30 | 1956-05-31 | 1956-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-30 | 1960-05-31 | 1960-11-30 | $7700.00 | Window Closed / Lapsed |