US2191935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft lathe
Assignee: RK Le Blond Machine Tool Co
•
Filing: 1939-05-02
•
Granted: 1940-02-27
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Expires: 1959-05-02
Abstract
No abstract record available.
Inventors
- 👤 William F Groene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:55
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/09; B23Q17/0952; B23Q17/0971; B23Q17/0976; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/341; Y; Y10; Y10T; Y10T82/00; Y10T82/19
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) | 1943-02-26 | 1943-08-28 | 1944-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-26 | 1947-08-28 | 1948-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-26 | 1951-08-28 | 1952-02-27 | $7700.00 | Window Closed / Lapsed |