Patent US2691868A successfully refreshed from Google Patents.
US2691868A
Expired / Lapsed
US
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Rotary pump and motor hydraulic transmission
Assignee: Individual
•
Filing: 1949-03-11
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Granted: 1954-10-19
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Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 Nicolas Jean Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:55
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602618A
Cited
US1797439A
Cited
US1365553A
Cited
US1354777A
Cited
US1497741A
Cited
US1571954A
Cited
US1829261A
Cited
US1742215A
Cited
US1797905A
Cited
US1779757A
Cited
US1870824A
Cited
US1990750A
Cited
GB405823A
Cited
US1954793A
Cited
US2181962A
Cited
US2221308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |