Patent US1952109A successfully refreshed from Google Patents.
US1952109A
Expired / Lapsed
US
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Collet chuck
Assignee: Individual
•
Filing: 1933-01-10
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Granted: 1934-03-27
•
Expires: 1953-01-10
Abstract
No abstract record available.
Inventors
- 👤 William H Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:26
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/202; B23B31/2012; B23B31/20125; B23B2231/00; B23B2231/20; B23B2231/2008; B23B2231/2081; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17504; Y10T279/17512
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-03-26 | 1937-09-25 | 1938-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-03-26 | 1941-09-25 | 1942-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-03-26 | 1945-09-25 | 1946-03-27 | $7700.00 | Window Closed / Lapsed |