US3262523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission and valve actuated fluid clutch control means
Assignee: Doosan Bobcat North America Inc
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Filing: 1964-06-23
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Granted: 1966-07-26
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Expires: 1984-06-23
Abstract
No abstract record available.
Inventors
- 👤 Richard O Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:54
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/14; Y; Y10; Y10S; Y10S74/00; Y10S74/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
FOR USE WITH A FLUID POWER TRANSMISSION HAVING A DRIVING MEMBER, A DRIVEN MEMBER AND A FLUID OPERATED CLUTCH FOR CONNECTING THE DRIVING AND DRIVEN MEMBERS TOGETHER FOR CONJOINT ROTATION, A SOURCE OF PRESSURIZED FLUID AND A FLUID RESERVOIR, A CONTROL SYSTEM COMPRISING VALVE MEANS CONNECTED TO THE SOURCE OF PRESSURIZED FLUID, THE RESERVOIR AND THE CLUTCH AND OPERATIVE TO PLACE THE CLUTCH IN FLUID COMMUNICATION WITH EITHER THE SOURCE OF PRESSURIZED FLUID OR THE RESERVOIR, A GOVERNOR CONNECTED TO THE SAID VALVE MEANS AND OPERATIVE TO ACTUATE THE SAID VALVE MEANS TO PLACE THE CLUTCH IN FLUID COMMUNICATION WITH THE SOURCE OF PRESSURIZED FLUID WHEN THE RELATIVE SPEEDS OF THE DRIVING AND DRIVEN MEMBERS APPROACH A PREDETERMINED RATIO, AND MEANS FOR OVERRIDING THE ACTION OF THE SAID GOVERNOR.
References Cited (Backward Citations)
US3058373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |