US2752021A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1950-09-07
•
Granted: 1956-06-26
•
Expires: 1970-09-07
Abstract
No abstract record available.
Inventors
- 👤 Philip H Trickey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:50
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/002; F16D37/00; F16D37/02; F16D2037/002; F16D2121/00; F16D2121/18; F16D2121/20; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1265078A
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US2549896A
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US2575360A
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US2525571A
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US2549738A
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US2629552A
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US2616539A
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US2695675A
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US2684138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |