US2646152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stop device for chucking means
Assignee: New Britain Machine Co
•
Filing: 1948-07-29
•
Granted: 1953-07-21
•
Expires: 1968-07-29
Abstract
No abstract record available.
Inventors
- 👤 William B Retz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:12
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/20; B23B; B23B31/00; B23B31/02; B23B31/24; B23B31/30; Y; Y10; Y10T; Y10T279/00; Y10T279/13; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/5129; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2561
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1874804A
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US2079637A
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US2191137A
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US2350975A
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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) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |