US3398975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable hitch for tractors
Assignee: Individual
•
Filing: 1966-05-05
•
Granted: 1968-08-27
•
Expires: 1986-05-05
Abstract
No abstract record available.
Inventors
- 👤 Roberts La Moyne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:41
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962423A
Cited
US2130274A
Cited
US2686063A
Cited
US2684254A
Cited
US2853315A
Cited
US2930631A
Cited
US3212793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |