US2697373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tracer controlled facing lathe
Assignee: RK Le Blond Machine Tool Co
•
Filing: 1952-05-08
•
Granted: 1954-12-21
•
Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 Harold J Siekmann
- 👤 George J Kasselmann
- 👤 George W Luning
- 👤 Nelson D Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:50
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/12; B23Q2735/00; B23Q2735/02; B23Q2735/06; B23Q2735/062; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/143; Y10T82/25; Y10T82/2531; Y10T82/2533; Y10T82/2535; Y10T82/2541; Y10T82/2552; Y10T82/2558
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |