US2946145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary disc shoulder cutter
Assignee: Individual
•
Filing: 1957-07-19
•
Granted: 1960-07-26
•
Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Paul L Winkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:50
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7604; E01; E01C; E01C23/00; E01C23/06; E01C23/09; E01C23/0906; E01C23/0913; E01C23/092
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US542483A
Cited
US879970A
Cited
AU438226A
Cited
US2561032A
Cited
US2762285A
Cited
US2646633A
Cited
US2740214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |