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Patent US2940263A successfully refreshed from Google Patents.
US2940263A
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Tracer control circuit for machine tools
Assignee: Individual
•
Filing: 1958-08-29
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Granted: 1960-06-14
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Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 Cudnohufsky Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:45
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/181; B23Q35/183; B23Q35/24; B23Q35/26; B23Q35/36; B23Q5/00; B23Q5/22; B23Q5/26; B23Q5/266; B23Q5/268; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/141; Y10T82/147
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2841356A
Cited
US2706892A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |