US3126987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
herzig
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:55
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/246; B60T13/248; B60T8/00; B60T8/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A VEHICLE HAVING BRAKES; BRAKE APPLYING MEANS CONNECTED TO SAID BRAKES; A BRAKE ACTUATING POWER UNIT HAVING A BRAKE ACTUATING MEMBER OPERATIVELY CONNECTED TO SAID BRAKE APPLYING MEANS AND DRIVEN BY A MOVABLE PRESSURE RESPONSIVE MEMBER WHICH IS SUBJECT TO DIFFERENTIAL PRESSURE ON OPPOSITE SIDES THEREOF; VALVE MEANS OPERATIVELY CONNECTED TO SAID POWER UNIT FOR REGULATING THE PRESSURE DIFFERENCE ON THE OPPOSITE SIDES OF SAID PRESSURE RESPONSIVE MEMBER; AN ACCELERATOR HAVING OPERATIVE CONNECTION TO SAID VALVE MEANS TO ACTUATE THE SAME; MEANS DEFINING A BY-PASS PASSAGEWAY BETWEEN THE OPPOSITE SIDES OF SAID PRESSURE RESPONSIVE MEMBER; VALVE MEANS NORMALLY CLOSING SAID PASSAGEWAY; AND MEANS RESPONSIVE TO A PREDETERMINED PRESSURE DIFFERENCE ON SAID PRESSURE RESPONSIVE MEMBER FOR OPENING SAID SECOND-NAMED VALVE MEANS WHEREBY TO LIMIT THE FORCE APPLIED TO SAID BRAKE ACTUATING MEMBER.
Claim 2
Dependent Claim
131 words
A VEHICLE HAVING BRAKES; BRAKE APPLYING MEANS CONNECTED TO SAID BRAKES; A BRAKE ACTUATING POWER UNIT HAVING A BRAKE ACTUATING MEMBER OPERATIVELY CONNECTED TO SAID BRAKE APPLYING MEANS AND DRIVEN BY A MOVABLE PRESSURE RESPONSIVE MEMBER WHICH IS SUBJECT TO DIFFERENTIAL PRESSURE ON OPPOSITE SIDES THEREOF; VALVE MEANS OPERATIVELY CONNECTED TO SAID POWER UNIT FOR REGULATING THE PRESSURE DIFFERENCE ON THE OPPOSITE SIDES OF SAID PRESSURE RESPONSIVE MEMBER; AN ACCELERATOR HAVING OPERATIVE CONNECTION TO SAID VALVE MEANS TO ACTUATE THE SAME; MEANS DEFINING A BY-PASS PASSAGEWAY BETWEEN THE OPPOSITE SIDES OF SAID PRESSURE RESPONSIVE MEMBER; VALVE MEANS NORMALLY CLOSING SAID PASSAGEWAY; AND MEANS RESPONSIVE TO A PREDETERMINED PRESSURE DIFFERENCE ON SAID PRESSURE RESPONSIVE MEMBER FOR OPENING SAID SECOND-NAMED VALVE MEANS WHEREBY TO LIMIT THE FORCE APPLIED TO SAID BRAKE ACTUATING MEMBER.
References Cited (Backward Citations)
US2357986A
Cited
US2643746A
Cited
US2626026A
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US2843093A
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US2870885A
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US2881879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |