Patent US3460636A successfully refreshed from Google Patents.
US3460636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussive tools and machines
Assignee: Sonomotive Engineers Ltd
•
Filing: 1967-07-05
•
Granted: 1969-08-12
•
Expires: 1987-07-05
Abstract
No abstract record available.
Inventors
- 👤 David Richard James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:10
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/14; B25D9/145
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2396185A
Cited
US3332503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |