Patent US3120155A successfully refreshed from Google Patents.
US3120155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake mechanism with pedal leverage changing means
Assignee: —
•
Filing: —
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Granted: 1964-02-04
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Expires: 1981-02-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:22
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/142; B60T13/143; B60T13/24; B60T13/46; B60T13/52; B60T13/57
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A FLUID PRESSURE MOTOR MECHANISM COMPRISING A PRESSURE RESPONSIVE UNIT HAVING A PRESSURE CHAMBER AT ONE SIDE THEREOF, A MEMBER TO BE OPERATED CONNECTED TO SAID PRESSURE RESPONSIVE UNIT A VALVE MECHANISM CONNECTED BETWEEN SAID PRESSURE CHAMBER AND A SOURCE OF PRESSURE AND OPERABLE FOR SUPPLYING FLUID PRESSURE TO SAID PRESSURE CHAMBER TO MOVE SAID PRESSURE RESPONSIVE UNIT, A PEDAL HAVING A NORMAL POSITION ENGAGING SAID VALVE MECHANISM AND MOVABLE FROM SUCH POSITION TO OPERATE SAID VALVE MECHANISM, AND PEDAL CONTROL MEANS WHOLLY ARRANGED BETWEEN SAID PEDAL AND SAID PRESSURE RESPONSIVE UNIT AND NORMALLY FREE OF SAID PEDAL TO PROVIDE FOR FREE MOVEMENT OF SAID PEDAL TO OPERATE SAID VALVE MECHANISM, SAID PEDAL CONTROL MEANS COMPRISING NORMALLY INOPERATIVE FORCE GENERATING MEANS OPERABLE FOR ESTABLISHING MECHANICAL CONNECTION BETWEEN SAID PRESSURE RESPONSIVE UNIT AND SAID PEDAL, AND MEANS SUBJECT TO A FAILURE IN PRESSURE IN SAID SOURCE FOR RELEASING SAID FORCE GENERATING MEANS.
Claim 2
Dependent Claim
151 words
A FLUID PRESSURE MOTOR MECHANISM COMPRISING A PRESSURE RESPONSIVE UNIT HAVING A PRESSURE CHAMBER AT ONE SIDE THEREOF, A MEMBER TO BE OPERATED CONNECTED TO SAID PRESSURE RESPONSIVE UNIT A VALVE MECHANISM CONNECTED BETWEEN SAID PRESSURE CHAMBER AND A SOURCE OF PRESSURE AND OPERABLE FOR SUPPLYING FLUID PRESSURE TO SAID PRESSURE CHAMBER TO MOVE SAID PRESSURE RESPONSIVE UNIT, A PEDAL HAVING A NORMAL POSITION ENGAGING SAID VALVE MECHANISM AND MOVABLE FROM SUCH POSITION TO OPERATE SAID VALVE MECHANISM, AND PEDAL CONTROL MEANS WHOLLY ARRANGED BETWEEN SAID PEDAL AND SAID PRESSURE RESPONSIVE UNIT AND NORMALLY FREE OF SAID PEDAL TO PROVIDE FOR FREE MOVEMENT OF SAID PEDAL TO OPERATE SAID VALVE MECHANISM, SAID PEDAL CONTROL MEANS COMPRISING NORMALLY INOPERATIVE FORCE GENERATING MEANS OPERABLE FOR ESTABLISHING MECHANICAL CONNECTION BETWEEN SAID PRESSURE RESPONSIVE UNIT AND SAID PEDAL, AND MEANS SUBJECT TO A FAILURE IN PRESSURE IN SAID SOURCE FOR RELEASING SAID FORCE GENERATING MEANS.
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |