US2716368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed governing device for machine tools
Assignee: Individual
•
Filing: 1951-09-13
•
Granted: 1955-08-30
•
Expires: 1971-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Ralph E Thompson
- 👤 Withington Lothrop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:35
CPC Classifications
B; B23; B23Q; B23Q17/00; B23Q17/09; B23Q17/0952; B23Q17/0985; B23Q15/00; B23Q15/007; B23Q15/12; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2572
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2089014A
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US2228902A
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US2025144A
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US2255094A
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US2303110A
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US2426711A
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US2427064A
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US2498881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |