Patent US2519087A successfully refreshed from Google Patents.
US2519087A
Expired / Lapsed
US
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Portable turning lathe
Assignee: GEN ENGINEERING AND DRYDOCK CO
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Filing: 1947-02-10
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Granted: 1950-08-15
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Expires: 1967-02-10
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Tydeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:55
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/36; B23B5/40; Y; Y10; Y10T; Y10T82/00; Y10T82/14; Y10T82/148; Y10T82/19; Y10T82/192; Y10T82/25; Y10T82/2527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |