US3258093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrostatic clutch
Assignee: SRM Hydromekanik AB
•
Filing: 1961-03-06
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Granted: 1966-06-28
•
Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Ahlen Karl Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:35
CPC Classifications
F; F16; F16D; F16D31/00; F16D31/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
IN A HYDROSTATIC COUPLING OF THE KIND HAVING A CENTRAL GEAR AND A PLURALITY OF GEAR PUMPS EACH COMPRISING A PAIR OF INTERMESHING PUMP GEARS ONE OF WHICH IS IN MESH WITH SAID CENTRAL GEAR, THAT IMPROVEMENT WHICH IS CHARACTERIZED BY SAID CENTRAL GEAR BEING PROVIDED WITH A NUMBER OF TEETH DIFFERENT FROM ANY MULTIPLE OF THE NUMBER OF PUMP GEARS MESHING THEREWITH.
References Cited (Backward Citations)
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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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |