US2949871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vertical mulching of soil and other purposes
Assignee: Finn Equipment Co
•
Filing: 1957-04-03
•
Granted: 1960-08-23
•
Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Charles O Finn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:13
CPC Classifications
A; A01; A01B; A01B13/00; A01B13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR767411A
Cited
US1141965A
Cited
GB131097A
Cited
US1765185A
Cited
US2087639A
Cited
GB519046A
Cited
US2765724A
Cited
US2748535A
Cited
US2792769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |