US3350142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator system
Assignee: MIDBRAKE Corp
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Filing: 1965-02-08
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Granted: 1967-10-31
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Leslie N Schuman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:34
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; Y; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN ACTUATOR SYSTEM COMPRISING ACTUATABLE MEANS ADAPTED TO BE ACTUATED BY PRESSURE OF FLUID; CONDUIT MEANS CONNECTED TO SAID ACTUATABLE MEANS AND ADAPTED TO CONTAIN FLUID FOR ACTUATING SAID ACTUATABLE MEANS; MEANS FOR DEVELOPING FLUID PRESSURE; POWER MEANS FOR DRIVING SAID FLUID PRESSURE-DEVELOPING MEANS; FLUID PRESSURE-REGULATING MEANS FOR CONTROLLING VARIABLY THE FLUID PRESSURE DEVELOPED BY SAID FLUID PRESSURE-DEVELOPING MEANS AND TRANSMITTED TO FLUID IN SAID CONDUIT MEANS; MEANS, INCLUDING A FIRST FLUID PRESSURE-CONTROLLED ELECTRIC SWITCH, FOR INITIATING STARTING AND CAUSING STOPPING OF SAID POWER MEANS; MEANS, INCLUDING A SECOND FLUID PRESSURE-CONTROLLED ELECTRIC SWITCH, FOR CONTROLLING OPERATION OF SAID PRESSURE-REGULATING MEANS SO THAT SUBSTANTIAL PRESSURE DEVELOPED BY SAID PRESSURE-DEVELOPING MEANS IS TRANSMITTED TO THE FLUID IN SAID CONDUIT MEANS ONLY AFTER SUFFICIENT TIME HAS ELAPSED TO PERMIT SAID POWER MEANS TO DEVELOP SURFICIENT POWER TO CAUSE SAID PRESSURE-DEVELOPING MEANS TO DEVELOP SUFFICIENT FLUID PRESSURE TO ACTUATE SAID ACTUATABLE MEANS; AND FLUID PRESSURE MEANS FOR CONTROLLING BOTH OF SAID PRESSURE-CONTROLLED SWITCHES.
Claim 2
Dependent Claim
159 words
AN ACTUATOR SYSTEM COMPRISING ACTUATABLE MEANS ADAPTED TO BE ACTUATED BY PRESSURE OF FLUID; CONDUIT MEANS CONNECTED TO SAID ACTUATABLE MEANS AND ADAPTED TO CONTAIN FLUID FOR ACTUATING SAID ACTUATABLE MEANS; MEANS FOR DEVELOPING FLUID PRESSURE; POWER MEANS FOR DRIVING SAID FLUID PRESSURE-DEVELOPING MEANS; FLUID PRESSURE-REGULATING MEANS FOR CONTROLLING VARIABLY THE FLUID PRESSURE DEVELOPED BY SAID FLUID PRESSURE-DEVELOPING MEANS AND TRANSMITTED TO FLUID IN SAID CONDUIT MEANS; MEANS, INCLUDING A FIRST FLUID PRESSURE-CONTROLLED ELECTRIC SWITCH, FOR INITIATING STARTING AND CAUSING STOPPING OF SAID POWER MEANS; MEANS, INCLUDING A SECOND FLUID PRESSURE-CONTROLLED ELECTRIC SWITCH, FOR CONTROLLING OPERATION OF SAID PRESSURE-REGULATING MEANS SO THAT SUBSTANTIAL PRESSURE DEVELOPED BY SAID PRESSURE-DEVELOPING MEANS IS TRANSMITTED TO THE FLUID IN SAID CONDUIT MEANS ONLY AFTER SUFFICIENT TIME HAS ELAPSED TO PERMIT SAID POWER MEANS TO DEVELOP SURFICIENT POWER TO CAUSE SAID PRESSURE-DEVELOPING MEANS TO DEVELOP SUFFICIENT FLUID PRESSURE TO ACTUATE SAID ACTUATABLE MEANS; AND FLUID PRESSURE MEANS FOR CONTROLLING BOTH OF SAID PRESSURE-CONTROLLED SWITCHES.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |