US2626672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-wheeled tractor
Assignee: Individual
•
Filing: 1947-09-27
•
Granted: 1953-01-27
•
Expires: 1967-09-27
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Leighton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:56
CPC Classifications
B; B62; B62D; B62D51/00; B62D51/004; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0889; F16H2007/0893
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1297536A
Cited
US1443951A
Cited
US1953749A
Cited
GB420542A
Cited
US2003718A
Cited
US2052068A
Cited
US2085312A
Cited
US2134387A
Cited
GB595695A
Cited
US2514917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |