US2978689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control mechanism for machine tools and the like
Assignee: Cross Co
•
Filing: 1955-05-09
•
Granted: 1961-04-04
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Kurt Otto Tech
- 👤 Herbert Arthur Martens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:56
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/09; B23Q17/0904; B23Q17/0919; B23Q17/0947; G; G01; G01N; G01N19/00; G01N19/02; Y; Y10; Y10S; Y10S408/00; Y10S408/71; Y10T; Y10T408/00; Y10T408/13; Y10T408/14; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/21; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533; Y10T82/2535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2054787A
Cited
US2030335A
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US2240795A
Cited
US2329541A
Cited
US2448167A
Cited
US2397974A
Cited
US2759580A
Cited
US2790340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |