Patent US2915316A successfully refreshed from Google Patents.
US2915316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated chuck
Assignee: Individual
•
Filing: 1956-05-24
•
Granted: 1959-12-01
•
Expires: 1976-05-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick I Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:19
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16158; B23B31/16179; B23B31/16162; B23B31/16166; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1274; Y10T279/1291; Y10T279/19; Y10T279/1973
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2509673A
Cited
US2655384A
Cited
US2582680A
Cited
US2620196A
Cited
US2697612A
Cited
US2703242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |