Patent US3006089A successfully refreshed from Google Patents.
US3006089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ripper point assembly
Assignee: DOUBLE J BREAKER Co
•
Filing: 1959-07-27
•
Granted: 1961-10-31
•
Expires: 1979-07-27
Abstract
No abstract record available.
Inventors
- 👤 Forrest A Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:40
CPC Classifications
E; E02; E02F; E02F9/00; E02F9/28; E02F9/2875
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US837494A
Cited
US1220186A
Cited
US1481458A
Cited
US1519101A
Cited
US2783701A
Cited
US2740212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |