US2974969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision power chuck
Assignee: POWER GRIP Inc
•
Filing: 1960-01-18
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Granted: 1961-03-14
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 William J Manchester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:49
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/32; B23B31/10; B23B31/12; Y; Y10; Y10T; Y10T279/00; Y10T279/18; Y10T279/19; Y10T279/1986
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) | 1964-03-13 | 1964-09-12 | 1965-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-13 | 1968-09-12 | 1969-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-13 | 1972-09-12 | 1973-03-14 | $7700.00 | Window Closed / Lapsed |