US2681230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic chuck for turret-type lathes
Assignee: B K SWEENEY Manufacturing Co
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Filing: 1952-08-11
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Granted: 1954-06-15
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Expires: 1972-08-11
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:12
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16195; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1961; Y10T408/00; Y10T408/55; Y10T408/563; Y10T82/00; Y10T82/26
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) | 1957-06-14 | 1957-12-14 | 1958-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-14 | 1961-12-14 | 1962-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-14 | 1965-12-14 | 1966-06-15 | $7700.00 | Window Closed / Lapsed |