Patent US2657616A successfully refreshed from Google Patents.
US2657616A
Expired / Lapsed
US
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Machine tool transmission and control mechanism
Assignee: Kearney and Trecker Corp
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Filing: 1947-09-15
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Granted: 1953-11-03
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Expires: 1967-09-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Armitage
- 👤 James N Flannery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:22
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q2705/00; B23Q2705/02; B23Q2705/026; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1710913A
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US1985688A
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US2085888A
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US2012672A
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US2070808A
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US2240973A
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US2204693A
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US2273956A
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US2382934A
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US2436583A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |