US2601756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fluid motor and expansible gas engine
Assignee: Individual
•
Filing: 1946-05-08
•
Granted: 1952-07-01
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Cooper B Bright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:38
CPC Classifications
F; F16; F16H; F16H43/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1021241A
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US2230760A
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US2344058A
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US2289005A
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US2415915A
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US2393324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |