US2382608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Headstock
Assignee: Nachi Machining Technology Co
•
Filing: 1942-10-19
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Granted: 1945-08-14
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Expires: 1962-10-19
Abstract
No abstract record available.
Inventors
- 👤 John L Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:45
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/06; Y; Y10; Y10S; Y10S451/00; Y10S451/90; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2564
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) | 1948-08-13 | 1949-02-12 | 1949-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-08-13 | 1953-02-12 | 1953-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-08-13 | 1957-02-12 | 1957-08-14 | $7700.00 | Window Closed / Lapsed |