US2880674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1953-09-11
•
Granted: 1959-04-07
•
Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 Ernst F Klessig
- 👤 Raymond B Pettibone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06; F04C15/062; F04C14/00; F04C14/24; F04C14/26; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2698579A
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US2733662A
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US1413066A
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US2251664A
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US2281302A
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US2631540A
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US2638848A
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US2746392A
Cited
US2748711A
Cited
US2724335A
Cited
US2739538A
Cited
US2752853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |