US2726090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet chuck operating mechanism
Assignee: Individual
•
Filing: 1953-01-26
•
Granted: 1955-12-06
•
Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Theodore E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:26
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; B23B31/302; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1266; Y10T82/00; Y10T82/25; Y10T82/2552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |