US2832239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pattern responsive positioning control for machine tools
Assignee: Ingersoll Milling Machine Co
•
Filing: 1954-05-17
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Granted: 1958-04-29
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Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Howard L Bert
- 👤 Elmer L Fagerstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:26
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/02; B23B; B23B39/00; B23B39/04; B23Q33/00; Y; Y10; Y10T; Y10T408/00; Y10T408/08; Y10T408/16; Y10T408/17; Y10T408/175; Y10T408/21; Y10T409/00; Y10T409/30; Y10T409/30084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1069995A
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US1683581A
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US2000553A
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US2225915A
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US2059505A
Cited
US2226677A
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US2301171A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |