Patent US2669174A successfully refreshed from Google Patents.
US2669174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural implement
Assignee: Deere and Co
•
Filing: 1948-02-09
•
Granted: 1954-02-16
•
Expires: 1968-02-09
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:23
CPC Classifications
A; A01; A01C; A01C5/00; A01C5/06; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7129; Y10T403/7141; Y10T403/7194
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US719823A
Cited
US790576A
Cited
GB191208965A
Cited
US1202562A
Cited
US1863970A
Cited
US1838535A
Cited
US1936749A
Cited
US2230331A
Cited
US2318205A
Cited
US2319737A
Cited
US2365201A
Cited
US2351078A
Cited
US2337662A
Cited
US2325887A
Cited
US2375850A
Cited
US2376559A
Cited
US2563185A
Cited
US2416189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-15 | 1957-08-17 | 1958-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-15 | 1961-08-17 | 1962-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-15 | 1965-08-17 | 1966-02-16 | $7700.00 | Window Closed / Lapsed |