US2793576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid operated cultivator
Assignee: Individual
•
Filing: 1953-10-13
•
Granted: 1957-05-28
•
Expires: 1973-10-13
Abstract
No abstract record available.
Inventors
- 👤 Colin C Carpi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
A; A01; A01B; A01B33/00; A01B33/08; A01B33/082; Y; Y10; Y10S; Y10S111/00; Y10S111/921
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1525262A
Cited
US2109393A
Cited
GB570755A
Cited
US2616348A
Cited
US2601752A
Cited
US2657620A
Cited
US2609650A
Cited
US2691927A
Cited
US2665621A
Cited
US2718836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |