US2822180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated chuck for machine tools
Assignee: Giddings and Lewis LLC
•
Filing: 1955-08-02
•
Granted: 1958-02-04
•
Expires: 1975-08-02
Abstract
No abstract record available.
Inventors
- 👤 John C Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:03
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16045; B23B31/16079; B23B31/24; B23B31/28; B23Q; B23Q15/00; B23Q3/00; B23Q3/16; B23B2231/00; B23B2231/42; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1913; Y10T279/1921
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |