Patent US2809333A successfully refreshed from Google Patents.
US2809333A
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Constant chip thickness motor control system for machine tools
Assignee: Giddings and Lewis LLC
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Filing: 1952-10-07
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Granted: 1957-10-08
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Expires: 1972-10-07
Abstract
No abstract record available.
Inventors
- 👤 Elmer K Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
B; B23; B23Q; B23Q15/00; B23Q15/007; B23Q15/08; B23Q15/10; H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; H02P5/51; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554; Y10T82/2556
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |