US3259216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake cooling system
Assignee: Caterpillar Inc
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Filing: 1964-08-18
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Granted: 1966-07-05
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Expires: 1984-08-18
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Klaus
- 👤 Jackson C Medley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:07
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D65/853; F16D2065/783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A BRAKE COOLING SYSTEM COMPRISING, SELECTIVELY OPERABLE MEANS FOR ESTABLISHING COMMUNICATON BETWEEN A SOURCE OF PRESSURE FLUID AND A BRAKE TO CAUSE ACTUATION OF THE BRAKE, FLUID PRESSURIZING MEANS FOR PROVIDING COOLING FLUID FLOW TO THE BRAKE, A FLUID MOTOR FOR DRIVING SAID FLUID PRESSURIZING MEANS AND OPERABLE SIMULTANEOUSLY WITH SAID SELECTIVELY OPERABLE MEANS, AND A VALVE ELEMENT OPERABLE IN RESPONSE TO SAID SELECTIVELY OPERABLE MEANS FOR DIRECTING PRESSURE FLUID DERIVED FROM SAID SOURCE TO SAID FLUID MOTOR AND THUS CAUSE OPERATION OF SAID FLUID PRESSURIZING MEANS.
Claim 2
Dependent Claim
87 words
A BRAKE COOLING SYSTEM COMPRISING, SELECTIVELY OPERABLE MEANS FOR ESTABLISHING COMMUNICATON BETWEEN A SOURCE OF PRESSURE FLUID AND A BRAKE TO CAUSE ACTUATION OF THE BRAKE, FLUID PRESSURIZING MEANS FOR PROVIDING COOLING FLUID FLOW TO THE BRAKE, A FLUID MOTOR FOR DRIVING SAID FLUID PRESSURIZING MEANS AND OPERABLE SIMULTANEOUSLY WITH SAID SELECTIVELY OPERABLE MEANS, AND A VALVE ELEMENT OPERABLE IN RESPONSE TO SAID SELECTIVELY OPERABLE MEANS FOR DIRECTING PRESSURE FLUID DERIVED FROM SAID SOURCE TO SAID FLUID MOTOR AND THUS CAUSE OPERATION OF SAID FLUID PRESSURIZING MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |