US3216769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid system and controls for actuation of vehicle components and cooling of brakes
Assignee: Caterpillar Inc
•
Filing: 1963-07-01
•
Granted: 1965-11-09
•
Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Leon E Hicks
- 👤 John A Junck
- 👤 Frank H Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:13
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A VEHICLE BRAKE SYSTEM WHEREIN COOLING FLUID UNDER PRESSURE IS CIRCULATED THROUGH A BRAKE HOUSING WHILE THE BRAKE IS ENGAGED, A PUMP COMMUNICATING WITH THE BRAKE HOUSING FOR SCAVENGING AT LEAST A PORTION OF SAID COOLING FLUID THEREFROM AND A MOTOR FOR DRIVING SAID PUMP, SAID MOTOR BEING DRIVEN BY SAID COOLING FLUID UNDER PRESSURE BEFORE IT ENTERS THE BRAKE HOUSING.
Claim 2
Dependent Claim
62 words
IN A VEHICLE BRAKE SYSTEM WHEREIN COOLING FLUID UNDER PRESSURE IS CIRCULATED THROUGH A BRAKE HOUSING WHILE THE BRAKE IS ENGAGED, A PUMP COMMUNICATING WITH THE BRAKE HOUSING FOR SCAVENGING AT LEAST A PORTION OF SAID COOLING FLUID THEREFROM AND A MOTOR FOR DRIVING SAID PUMP, SAID MOTOR BEING DRIVEN BY SAID COOLING FLUID UNDER PRESSURE BEFORE IT ENTERS THE BRAKE HOUSING.
References Cited (Backward Citations)
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Cited
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Cited
US1637382A
Cited
US2127557A
Cited
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Cited
US2917137A
Cited
US2926737A
Cited
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Cited
US3047104A
Cited
US3057666A
Cited
US3101815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |