Patent US2936589A successfully refreshed from Google Patents.
US2936589A
Expired / Lapsed
US
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Hydraulic transmission
Assignee: GEROTOR MAY Corp OF MARYLAND
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Filing: 1954-12-28
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Granted: 1960-05-17
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Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Bartholomew F Quintilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:20
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H39/26; F16H39/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2186409A
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US2238062A
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US2363983A
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US2646755A
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US2818707A
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US2668417A
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US2669935A
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US2821928A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |