Patent EP0229018A2 successfully refreshed from Google Patents.
Patent US3110522A successfully refreshed from Google Patents.
US3110522A
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Fluid power assist device for brake apparatus
Assignee: HORNISCHFEGER CORP
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Filing: 1961-06-16
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Granted: 1963-11-12
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Expires: 1981-06-16
Abstract
No abstract record available.
Inventors
- 👤 Warren E Bunch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:48
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/28; E; E02; E02F; E02F9/00; E02F9/20; E02F9/2004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE COMBINATION WITH A MANUAL BRAKE OPERATOR HAVING A FLUID PRESSURIZED BRAKE ASSIST AND LINKAGE MEANS INTERCONNECTING THE SAME FOR JOINT ACTION, OF MEANS TO SUBSTITUTE FOR SAID BRAKE ASSIST ON LOSS OF FLUID PRESSURE THEREIN AND COMPRISING NORMALLY RESTRAINED AUXILIARY PRESSURE APPLYING MEANS, MEANS INTERCONNECTING THE SAID AUXILIARY MEANS TO SAID LINKAGE MEANS AND MEANS RESPONSIVE TO SAID LOSS OF FLUID PRESSURE TO RELEASE SAID AUXILIARY PRESSURE APPLYING MEANS AND PURSUANT TO WHICH IT WILL SUBSTITUTE FOR THE DEPRESSURIZED BRAKE ASSIST.
Claim 2
Dependent Claim
82 words
THE COMBINATION WITH A MANUAL BRAKE OPERATOR HAVING A FLUID PRESSURIZED BRAKE ASSIST AND LINKAGE MEANS INTERCONNECTING THE SAME FOR JOINT ACTION, OF MEANS TO SUBSTITUTE FOR SAID BRAKE ASSIST ON LOSS OF FLUID PRESSURE THEREIN AND COMPRISING NORMALLY RESTRAINED AUXILIARY PRESSURE APPLYING MEANS, MEANS INTERCONNECTING THE SAID AUXILIARY MEANS TO SAID LINKAGE MEANS AND MEANS RESPONSIVE TO SAID LOSS OF FLUID PRESSURE TO RELEASE SAID AUXILIARY PRESSURE APPLYING MEANS AND PURSUANT TO WHICH IT WILL SUBSTITUTE FOR THE DEPRESSURIZED BRAKE ASSIST.
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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |