Patent US2426299A successfully refreshed from Google Patents.
US2426299A
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Change-speed mechanism for lathes
Assignee: Individual
•
Filing: 1945-07-09
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Granted: 1947-08-26
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Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Charles W Dyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:27
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/34; B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; B23Q2705/00; B23Q2705/02; B23Q2705/06; B23Q2705/062; B23Q2705/064; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19358; Y10T74/19367; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2547
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |