US2969646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable volume pump hydraulic transmission
Assignee: RACINE HYDRAULICS AND MACHINERY Inc
•
Filing: 1957-01-11
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Granted: 1961-01-31
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 George B Miller
- 👤 Robert D Rynders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:53
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/18; F04C14/22; F04C14/223; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/46; F16H61/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2198035A
Cited
US2069230A
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US2255783A
Cited
US2581149A
Cited
US2612114A
Cited
US2654999A
Cited
US2716946A
Cited
US2764365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |