US3101815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake cooling system
Assignee: Caterpillar Inc
•
Filing: 1961-06-29
•
Granted: 1963-08-27
•
Expires: 1981-06-29
Abstract
No abstract record available.
Inventors
- 👤 James W Thompson
- 👤 Robert E Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:22
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D65/853; F16D2065/783
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A SYSTEM FOR COOLING THE BRAKES OF A VEHICLE WHICH HAS A PLURALITY OF HYDRAULICALLY CONTROLLED COMPONENTS INCLUDING A RESERVOIR FOR HYDRAULIC FLUID AND INDIVIDUAL PUMPS, FLUID MOTORS AND CONTROLS FOIR SAID COMPONENTS, A COMMON RETURN LINE FOR MORE THAN ONE OF SAID COMPONENTS, MEANS DIRECTING FLUID FROM SAID RETURN LINE TO SAID BRAES, MEANS DIRECTING FLUID FROM SAID BRAKES TO SAID RESERVOIR, AND AN EJECTOR OPERATING ON PRESSURE IN THE RETURN LINE TO DRAW FLUID FROM THE RESERVOIR TO SUPPLEMENT THE RETURN FLUID USED FOR COOLING THE BRAKES.
Claim 2
Independent Claim
89 words
A SYSTEM FOR COOLING THE BRAKES OF A VEHICLE WHICH HAS A PLURALITY OF HYDRAULICALLY CONTROLLED COMPONENTS INCLUDING A RESERVOIR FOR HYDRAULIC FLUID AND INDIVIDUAL PUMPS, FLUID MOTORS AND CONTROLS FOIR SAID COMPONENTS, A COMMON RETURN LINE FOR MORE THAN ONE OF SAID COMPONENTS, MEANS DIRECTING FLUID FROM SAID RETURN LINE TO SAID BRAES, MEANS DIRECTING FLUID FROM SAID BRAKES TO SAID RESERVOIR, AND AN EJECTOR OPERATING ON PRESSURE IN THE RETURN LINE TO DRAW FLUID FROM THE RESERVOIR TO SUPPLEMENT THE RETURN FLUID USED FOR COOLING THE BRAKES.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |