Patent US2533466A successfully refreshed from Google Patents.
US2533466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic mechanism
Assignee: Deere Manufacturing Co
•
Filing: 1947-02-12
•
Granted: 1950-12-12
•
Expires: 1967-02-12
Abstract
No abstract record available.
Inventors
- 👤 Emil F Jirsa
- 👤 Cecil W Bopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:04
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; F; F15; F15B; F15B21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US661352A
Cited
US1177476A
Cited
US1931815A
Cited
US2226192A
Cited
US2292961A
Cited
US2379536A
Cited
US2416373A
Cited
US2430696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |