US2790340A
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Assignee: MACH TOOL CONTROL CORP
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Filing: 1954-09-07
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Granted: 1957-04-30
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Expires: 1974-09-07
Abstract
No abstract record available.
Inventors
- 👤 Chester A Cross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:34
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/09; B23Q17/0952; B23Q17/0966; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158; Y10T408/00; Y10T408/13; Y10T408/14; Y10T408/21; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T409/00; Y10T409/30; Y10T409/30392; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2533
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) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |