Patent US2209037A successfully refreshed from Google Patents.
US2209037A
Expired / Lapsed
US
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Device for control of the cutting speed of machine tools
Assignee: Digital Kienzle Computersysteme GmbH and Co KG
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Filing: 1938-08-30
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Granted: 1940-07-23
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Expires: 1958-08-30
Abstract
No abstract record available.
Inventors
- 👤 Riegger Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:36
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/16; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5111; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808; Y10T82/00; Y10T82/25; Y10T82/2502; Y10T82/2504; Y10T82/2531; Y10T82/2552; Y10T82/2554; Y10T82/2556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-07-23 | 1944-01-22 | 1944-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-23 | 1948-01-22 | 1948-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-23 | 1952-01-22 | 1952-07-23 | $7700.00 | Window Closed / Lapsed |