Patent US2672789A successfully refreshed from Google Patents.
US2672789A
Expired / Lapsed
US
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Cutter driver for machine tools
Assignee: Individual
•
Filing: 1950-12-13
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Granted: 1954-03-23
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Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Cross
- 👤 Shores Grosse Pointe
- 👤 Kurt O Tech
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:41
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/20; B23B31/208; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17411; Y10T279/17487; Y10T279/17495; Y10T279/17504; Y10T279/17512; Y10T279/17521; Y10T279/17529; Y10T279/17547; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408; Y10T409/309464; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2562
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1412469A
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US1501465A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |