Patent US2457100A successfully refreshed from Google Patents.
US2457100A
Expired / Lapsed
US
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Hydraulic motor with rotating radial cylinder block and reciprocating pistons reacting against outside annular grooved cam
Assignee: Individual
•
Filing: 1944-11-11
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Granted: 1948-12-21
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Expires: 1964-11-11
Abstract
No abstract record available.
Inventors
- 👤 Roger F Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:24
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0438; F01; F01B; F01B1/00; F01B1/06; F01B1/0641; F01B1/0648; F01B1/0672; F01B13/00; F01B13/04; F01B13/06; F01B13/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663716A
Cited
GB161490A
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US2160612A
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US2255963A
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US2208568A
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US2105454A
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US2186556A
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US2254103A
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US2232428A
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US2262593A
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US2303685A
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US2359513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |