US2656777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor attached grub hoe
Assignee: Individual
•
Filing: 1949-08-18
•
Granted: 1953-10-27
•
Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Donald R Mohn
- 👤 Milburne E Mohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:01
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/16
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US974670A
Cited
US1840682A
Cited
US2218187A
Cited
US2253130A
Cited
US2327937A
Cited
US2432633A
Cited
US2482751A
Cited
US2437581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |