US2670713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable limit means for regulating strokes of fluid pressure apparatus
Assignee: Deere Manufacturing Co
•
Filing: 1948-10-06
•
Granted: 1954-03-02
•
Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Emil F Jirsa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:24
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)
US223792A
Cited
US917642A
Cited
US2335809A
Cited
GB527171A
Cited
US2243364A
Cited
US2383689A
Cited
US2444228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |