US2650528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated implement attachment for tractors
Assignee: Individual
•
Filing: 1949-02-08
•
Granted: 1953-09-01
•
Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 Andre L A Morgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/1006; Y; Y10; Y10S; Y10S60/00; Y10S60/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1004541A
Cited
US1047146A
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US1484030A
Cited
GB253566A
Cited
US2118180A
Cited
US2198196A
Cited
US2287479A
Cited
US2423485A
Cited
US2540429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |