Patent US2982557A successfully refreshed from Google Patents.
US2982557A
Expired / Lapsed
US
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Collet chuck
Assignee: PIPE MACHINERY CO
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Filing: 1959-06-10
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Granted: 1961-05-02
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Reynold G Anschutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:27
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/204; Y; Y10; Y10T; Y10T279/00; Y10T279/12; Y10T279/1241; Y10T279/1249; Y10T279/1266; Y10T279/17; Y10T279/17411; Y10T279/17461; Y10T279/17555; Y10T279/17564; Y10T279/17572; Y10T279/17589; Y10T279/19; Y10T279/1981
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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |