US2343570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chucking device for use in screw and similar machines
Assignee: Brown and Sharpe Manufacturing Co
•
Filing: 1942-01-19
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Granted: 1944-03-07
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Expires: 1962-01-19
Abstract
No abstract record available.
Inventors
- 👤 Alden W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:06
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/201; B23B31/207; B23B31/2072; B23B31/202; B23B31/2025; B23B2231/00; B23B2231/20; B23B2231/2048; B23B2231/2062; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17119; Y10T279/17411; Y10T279/17418; Y10T279/17427; Y10T279/17564; Y10T279/17572; Y10T279/17589; Y10T279/17905; Y10T279/17914; Y10T279/34; Y10T279/3462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-03-07 | 1947-09-06 | 1948-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-03-07 | 1951-09-06 | 1952-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-03-07 | 1955-09-06 | 1956-03-07 | $7700.00 | Window Closed / Lapsed |