US2712277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated lifting mechanism for farm implements
Assignee: Case LLC
•
Filing: 1949-09-29
•
Granted: 1955-07-05
•
Expires: 1969-09-29
Abstract
No abstract record available.
Inventors
- 👤 Alvah E Rutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:30
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/14; A01B63/16; A01B63/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2410918A
Cited
US2292961A
Cited
US2324840A
Cited
US2481017A
Cited
US2458091A
Cited
US2532577A
Cited
US2605686A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |