US2635517A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk plow
Assignee: Deere and Co
•
Filing: 1946-01-26
•
Granted: 1953-04-21
•
Expires: 1966-01-26
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 William V Lohrman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:31
CPC Classifications
A; A01; A01B; A01B5/00; A01B5/10; A01B5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR473798A
Cited
US1148088A
Cited
US1200107A
Cited
US1556508A
Cited
US2065015A
Cited
US2271533A
Cited
US2339225A
Cited
US2307980A
Cited
US2416194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |