Patent US2704672A successfully refreshed from Google Patents.
US2704672A
Expired / Lapsed
US
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Indexable collet chuck apparatus
Assignee: —
•
Filing: —
•
Granted: 1955-03-22
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Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:04
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T279/00; Y10T279/13; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17521; Y10T408/00; Y10T408/55; Y10T408/563; Y10T408/5633; Y10T74/00; Y10T74/14; Y10T74/1412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1260130A
Cited
US2186236A
Cited
US2335721A
Cited
US2429617A
Cited
US2573410A
Cited
US2484758A
Cited
US2520518A
Cited
US2621938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |