Patent US2497302A successfully refreshed from Google Patents.
US2497302A
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US
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Automatic lathe control
Assignee: Lodge and Shipley Co
•
Filing: 1946-12-20
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Granted: 1950-02-14
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Expires: 1966-12-20
Abstract
No abstract record available.
Inventors
- 👤 Frank A Fritzsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:05
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; B23Q2705/00; B23Q2705/02; B23Q2705/06; B23Q2705/062; B23Q2705/064; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18072; Y10T74/1808; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084; Y10T74/19219; Y10T74/19251; Y10T74/19279; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T82/00; Y10T82/25; Y10T82/2502; Y10T82/2504
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1600650A
Cited
US1340811A
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US1420939A
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US1938780A
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US1905113A
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US2156596A
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US2255739A
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US2266598A
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US2266283A
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US2340912A
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US2357396A
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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) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |