Patent US3216769A successfully refreshed from Google Patents.
US3216769A
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US
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Fluid system and controls for actuation of vehicle components and cooling of brakes
Assignee: Caterpillar Inc
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Filing: 1963-07-01
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Granted: 1965-11-09
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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 03:11
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)
CA654250A
Cited
US960355A
Cited
US1637382A
Cited
US2127557A
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US2355484A
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US2917137A
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US2926737A
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US3042155A
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 |