US2780469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collets and chuck jaw assemblages
Assignee: DACRE CHUCKS Ltd
•
Filing: 1955-01-06
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Granted: 1957-02-05
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Expires: 1975-01-06
Abstract
No abstract record available.
Inventors
- 👤 Hull Harold Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:37
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/1207; B23B31/1253; B23B2226/00; B23B2226/33; Y; Y10; Y10S; Y10S279/00; Y10S279/902; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17461; Y10T279/17487; Y10T279/17504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2535105A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |