US2754567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic feed control apparatus for machine tools
Assignee: Continental Machines Inc
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Filing: 1953-07-30
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Granted: 1956-07-17
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Expires: 1973-07-30
Abstract
No abstract record available.
Inventors
- 👤 Robert L Crane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:58
CPC Classifications
B; B23; B23D; B23D55/00; B23D55/04; B23D55/046; B23D55/08; B23D55/088; B23D55/089; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533; Y10T82/2535; Y10T83/00; Y10T83/141; Y10T83/647; Y10T83/6584; Y10T83/6592; Y10T83/707; Y10T83/7264; Y10T83/849; Y10T83/853; Y10T83/855; Y10T83/856; Y10T83/857; Y10T83/858; Y10T83/859
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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |