US2868092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contour sensing control for machine tools
Assignee: Beechcraft Corp
•
Filing: 1956-04-02
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Granted: 1959-01-13
•
Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 John L Foncannon
- 👤 Ernest F Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:35
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/26; B23Q35/30; B23Q35/32; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/303416; Y10T409/303472; Y10T409/303528; Y10T82/00; Y10T82/14; Y10T82/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1879196A
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US2076865A
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US2373332A
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US2469170A
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US2556318A
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US2553984A
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US2695089A
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US2756852A
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GB725163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |