Patent US2642649A successfully refreshed from Google Patents.
US2642649A
Expired / Lapsed
US
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Lathe control mechanism
Assignee: Individual
•
Filing: 1946-05-27
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Granted: 1953-06-23
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Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard H Shadrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:10
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/16; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5154; Y10T29/5158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1936446A
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US2078698A
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US2116376A
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US2289957A
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US2253492A
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US2318177A
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US2357514A
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US2368408A
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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) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |