US2602672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collet or chuck
Assignee: New Britain Machine Co
•
Filing: 1947-07-01
•
Granted: 1952-07-08
•
Expires: 1967-07-01
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wiard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:38
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/005; A; A61; A61C; A61C1/00; A61C1/08; A61C1/14; A61C1/142; A61C1/144; B24; B24B; B24B45/00; B23B2270/00; B23B2270/04; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T279/24; Y10T279/247; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T408/00; Y10T408/70; Y10T408/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2098675A
Cited
US2153521A
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US2367048A
Cited
US2373321A
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US2367863A
Cited
US2400586A
Cited
US2431961A
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US2481094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |