US2642791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable root cutter
Assignee: FRANKLIN G RUSSELL
•
Filing: 1948-09-20
•
Granted: 1953-06-23
•
Expires: 1968-09-20
Abstract
No abstract record available.
Inventors
- 👤 Sr George W Peacock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:44
CPC Classifications
E; E02; E02F; E02F5/00; E02F5/30; E02F5/32; A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; E02F3/00; E02F3/04; E02F3/76; E02F3/80; E02F3/815; E02F3/8152
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1033574A
Cited
US1507833A
Cited
US1722063A
Cited
AU2642730A
Cited
US1927818A
Cited
US2491208A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |