Patent US4473141A successfully refreshed from Google Patents.
Patent US2845876A successfully refreshed from Google Patents.
US2845876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1954-03-01
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Granted: 1958-08-05
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Expires: 1974-03-01
Abstract
No abstract record available.
Inventors
- 👤 Keel Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:53
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; F04B1/2014; F04B1/2078; F04B49/00; F04B49/08; F04B49/10; F04B49/106
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2238061A
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US2424035A
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US2600632A
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US2600633A
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US2683485A
Cited
US2768582A
Cited
US2716946A
Cited
US2768585A
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US2742862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |