US3243022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brake actuating system with feedback control valve
Assignee: Individual
•
Filing: 1964-04-02
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Granted: 1966-03-29
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Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Paul E Humphrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:13
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/103; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN AUTOMATIC BRAKE ACTUATING SYSTEM FOR A VEHICLE HAVING AN ENGINE, THROTTLE CONTROL MEANS OPERATIVELY CONNECTED TO THE ENGINE, VACUUM OPERATED BRAKE ACTUATING MEANS, AND A SOURCE OF VACUUM, THE BRAKE ACTUATING SYSTEM, COMPRISING: A VACUUM CONTROL VALVE HAVING AN INLET, AN OUTLET AND A VALVE OPENING AND CLOSING ELEMENT; SAID BRAKE ACTUATING MEANS BEING COUPLED THROUGH SAID VALVE TO SAID SOURCE OF VACUUM; AN ACTUATING ARM OPERATIVELY CONNECTED TO SAID VALVE ELEMENT AND BEING COUPLED TO THE THROTTLE CONTROL MEANS TO OPEN SAID VALVE AUTOMATICALLY WHEN THE THROTTLE IS CLOSED; AND FEEDBACK MEANS ENGAGING SAID VALVE ELEMENT AND BEING CONNECTED TO THE BRAKE ACTUATING MEANS TO RE-
Claim 2
Dependent Claim
108 words
AN AUTOMATIC BRAKE ACTUATING SYSTEM FOR A VEHICLE HAVING AN ENGINE, THROTTLE CONTROL MEANS OPERATIVELY CONNECTED TO THE ENGINE, VACUUM OPERATED BRAKE ACTUATING MEANS, AND A SOURCE OF VACUUM, THE BRAKE ACTUATING SYSTEM, COMPRISING: A VACUUM CONTROL VALVE HAVING AN INLET, AN OUTLET AND A VALVE OPENING AND CLOSING ELEMENT; SAID BRAKE ACTUATING MEANS BEING COUPLED THROUGH SAID VALVE TO SAID SOURCE OF VACUUM; AN ACTUATING ARM OPERATIVELY CONNECTED TO SAID VALVE ELEMENT AND BEING COUPLED TO THE THROTTLE CONTROL MEANS TO OPEN SAID VALVE AUTOMATICALLY WHEN THE THROTTLE IS CLOSED; AND FEEDBACK MEANS ENGAGING SAID VALVE ELEMENT AND BEING CONNECTED TO THE BRAKE ACTUATING MEANS TO RE-
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |