US3152518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure motor mechanism
Assignee: ZF Active Safety US Inc
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Filing: 1963-03-08
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Granted: 1964-10-13
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Expires: 1983-03-08
Abstract
No abstract record available.
Inventors
- 👤 Jr David T Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:08
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A FLUID PRESSURE MOTOR MECHANISM COMPRISING A CASING, A PLURALITY OF PRESSURE RESPONSIVE ELEMENTS AND A PLURALITY OF WALLS FORMING WITH SAID PRESSURE RESPONSIVE ELEMENTS AND SAID CASING A PLURALITY OF ALTERNATELY CONSTANT AND VARIABLE PRESSURE CHAMBERS, AN AXIAL FORCE TRANSMITTING UNIT CONNECTED TO SAID PRESSURE RESPONSIVE ELEMENTS, WHEREBY THE LATTER COOPERATE TO EFFECT MOVEMENT OF SAID FORCE TRANSMITTING UNIT, A NORMALLY STATIONARY AXIALLY MOVABLE STRUCTURE CO-AXIAL WITH SAID FORCE TRANSMITTING UNIT, A MANUALLY MOVABLE UNIT, A CONTROL VALVE MECHANISM FOR SAID MOTOR MECHANISM COMPRISING ELEMENTS CARRIED RESPECTIVELY BY SAID NORMALLY STATIONARY STRUCTURE AND BY SAID MANUALLY MOVABLE UNIT AND NORMALLY CONNECTED TO ALL OF SAID CHAMBERS TO BALANCE PRESSURES THEREIN, SAID MANUALLY MOVABLE UNIT BEING AXIALLY MOVABLE TO OPERATE SAID VALVE MECHANISM TO CONNECT SAID VARIABLE PRESSURE CHAMBERS TO A SOURCE OF RELATIVELY HIGH PRESSURE TO ACT ON ALL OF SAID PRESSURE RESPONSIVE ELEMENTS WHEREBY THE LATTER COOPERATE TO EFFECT MOVEMENT OF SAID FORCE TRANSMITTING UNIT, SAID FORCE TRANSMITTING UNIT, SAID NORMALLY STATIONARY STRUCTURE AND SAID
Claim 2
Dependent Claim
167 words
A FLUID PRESSURE MOTOR MECHANISM COMPRISING A CASING, A PLURALITY OF PRESSURE RESPONSIVE ELEMENTS AND A PLURALITY OF WALLS FORMING WITH SAID PRESSURE RESPONSIVE ELEMENTS AND SAID CASING A PLURALITY OF ALTERNATELY CONSTANT AND VARIABLE PRESSURE CHAMBERS, AN AXIAL FORCE TRANSMITTING UNIT CONNECTED TO SAID PRESSURE RESPONSIVE ELEMENTS, WHEREBY THE LATTER COOPERATE TO EFFECT MOVEMENT OF SAID FORCE TRANSMITTING UNIT, A NORMALLY STATIONARY AXIALLY MOVABLE STRUCTURE CO-AXIAL WITH SAID FORCE TRANSMITTING UNIT, A MANUALLY MOVABLE UNIT, A CONTROL VALVE MECHANISM FOR SAID MOTOR MECHANISM COMPRISING ELEMENTS CARRIED RESPECTIVELY BY SAID NORMALLY STATIONARY STRUCTURE AND BY SAID MANUALLY MOVABLE UNIT AND NORMALLY CONNECTED TO ALL OF SAID CHAMBERS TO BALANCE PRESSURES THEREIN, SAID MANUALLY MOVABLE UNIT BEING AXIALLY MOVABLE TO OPERATE SAID VALVE MECHANISM TO CONNECT SAID VARIABLE PRESSURE CHAMBERS TO A SOURCE OF RELATIVELY HIGH PRESSURE TO ACT ON ALL OF SAID PRESSURE RESPONSIVE ELEMENTS WHEREBY THE LATTER COOPERATE TO EFFECT MOVEMENT OF SAID FORCE TRANSMITTING UNIT, SAID FORCE TRANSMITTING UNIT, SAID NORMALLY STATIONARY STRUCTURE AND SAID
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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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |