Patent US2658343A successfully refreshed from Google Patents.
US2658343A
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Rotary pump and motor hydraulic transmission
Assignee: DONALD W GREEN
•
Filing: 1949-05-17
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Granted: 1953-11-10
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Expires: 1969-05-17
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mcgill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:07
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/06; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/468
Claims Analysis
Total Claims: 0
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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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |