Patent US2632373A successfully refreshed from Google Patents.
US2632373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cultivator tool-bar connection
Assignee: Deere and Co
•
Filing: 1947-06-28
•
Granted: 1953-03-24
•
Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:15
CPC Classifications
A; A01; A01B; A01B35/00; A01B35/20; A01B35/22; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/71; Y10T403/7111
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US118362A
Cited
US669165A
Cited
US893311A
Cited
US917762A
Cited
US1097299A
Cited
FR518123A
Cited
US1410084A
Cited
US1483789A
Cited
US2304383A
Cited
US2259890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |