US3065806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rock drills
Assignee: Joy Manufacturing Co
•
Filing: 1952-07-16
•
Granted: 1962-11-27
•
Expires: 1972-07-16
Abstract
No abstract record available.
Inventors
- 👤 Charles T Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:35
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/08; E21B19/087
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US13646A
Cited
FR423578A
Cited
US1762572A
Cited
US2168541A
Cited
US2289465A
Cited
US2400658A
Cited
US2610030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |