US2728579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet chuck
Assignee: Individual
•
Filing: 1953-10-13
•
Granted: 1955-12-27
•
Expires: 1973-10-13
Abstract
No abstract record available.
Inventors
- 👤 Djidich Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:28
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/2012; B23B31/20125; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17239; Y10T279/17256; Y10T279/17291; Y10T279/17307; Y10T279/17411; Y10T279/17487; Y10T279/17521; Y10T279/17666; Y10T279/17692; Y10T279/17743
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) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |