US2551396A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power diversion transmission
Assignee: Individual
•
Filing: 1945-01-20
•
Granted: 1951-05-01
•
Expires: 1965-01-20
Abstract
No abstract record available.
Inventors
- 👤 Oliver W Roosevelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:55
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1627294A
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US1960705A
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US1822555A
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US1900120A
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US2021526A
Cited
US2181118A
Cited
US2135282A
Cited
US2365879A
Cited
US2378085A
Cited
US2309912A
Cited
US2383981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |