US2809593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: Vickers Inc
•
Filing: 1953-07-21
•
Granted: 1957-10-15
•
Expires: 1973-07-21
Abstract
No abstract record available.
Inventors
- 👤 Ernst F Klessig
- 👤 Glenn M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:46
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0854; F01C21/0863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317751A
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US1093005A
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US1539728A
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US1854692A
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US2256459A
Cited
US2387761A
Cited
US2455297A
Cited
US2622538A
Cited
US2544988A
Cited
US2739539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |