Patent US3256046A successfully refreshed from Google Patents.
US3256046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle brake means
Assignee: Bendix Corp
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Filing: 1964-02-27
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Granted: 1966-06-14
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Maxwell L Cripe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:27
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/72; B60T8/74; B60T8/34; B60T8/44; B60T8/447; B60T8/448
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ANTI-SKID BRAKE SYSTEM COMPRISNG: A POWER BRAKE MEANS; A PRIMARY FLUID PRESSURE RESERVOIR; A SECONDARY FLUID PRESSURE RESERVOIR; A MEANS TO COMMUNICATE SAID PRIMARY RESERVOIR TO SAID SECONDARY RESERVOIR AND TO SAID POWER BRAKE MEANS; A PRESSURE RESPONSIVE MEANS TO REFERENCE PRESSURE SUPPLIED TO SAID POWER BRAKE MEANS; AN EXHAUST VALVE MEANS OPERATIVELY CONNECTED TO SAID PRESSURE RESPONSIVE MEANS, WHICH VALVE MEANS IS CONNECTED TO THE FLUID PRESSURE IN SAID SECONDARY RESERVOIR; A SKID SENSING MEANS; CONTROL MEANS OPERATIVELY CONNECTED TO SAID SKID SENSING MEANS TO REDUCE PRESSURE IN SAID POWER BRAKE MEANS AND CLOSE OFF COMMUNICATION OF SAID PRIMARY RESERVOIR WITH SAID POWER BRAKE MEANS AND SAID SECONDARY FLUID PRESSURE RESERVOIR, SAID CONTROL MEANS INCLUDING A DEVICE TO THEREAFTER OPEN SAID SECONDARY RESERVOIR TO SAID VALVE MEANS; CONDUIT MEANS COMMUNICATING SAID SECONDARY RESERVOIR TO SAID POWER BRAKE MEANS; AND MEANS TO OPEN SAID CONDUIT MEANS SIMULTANEOUSLY WITH OPENING SAID SECONDARY RESERVIOR TO SAID VALVE MEANS WHEREBY FLUID PRESSURE IS APPLIED TO SAID POWER BARKE MEANS AT A LEVEL LOWER THAN WHICH PRODUCES THE SKID.
Claim 2
Dependent Claim
176 words
AN ANTI-SKID BRAKE SYSTEM COMPRISNG: A POWER BRAKE MEANS; A PRIMARY FLUID PRESSURE RESERVOIR; A SECONDARY FLUID PRESSURE RESERVOIR; A MEANS TO COMMUNICATE SAID PRIMARY RESERVOIR TO SAID SECONDARY RESERVOIR AND TO SAID POWER BRAKE MEANS; A PRESSURE RESPONSIVE MEANS TO REFERENCE PRESSURE SUPPLIED TO SAID POWER BRAKE MEANS; AN EXHAUST VALVE MEANS OPERATIVELY CONNECTED TO SAID PRESSURE RESPONSIVE MEANS, WHICH VALVE MEANS IS CONNECTED TO THE FLUID PRESSURE IN SAID SECONDARY RESERVOIR; A SKID SENSING MEANS; CONTROL MEANS OPERATIVELY CONNECTED TO SAID SKID SENSING MEANS TO REDUCE PRESSURE IN SAID POWER BRAKE MEANS AND CLOSE OFF COMMUNICATION OF SAID PRIMARY RESERVOIR WITH SAID POWER BRAKE MEANS AND SAID SECONDARY FLUID PRESSURE RESERVOIR, SAID CONTROL MEANS INCLUDING A DEVICE TO THEREAFTER OPEN SAID SECONDARY RESERVOIR TO SAID VALVE MEANS; CONDUIT MEANS COMMUNICATING SAID SECONDARY RESERVOIR TO SAID POWER BRAKE MEANS; AND MEANS TO OPEN SAID CONDUIT MEANS SIMULTANEOUSLY WITH OPENING SAID SECONDARY RESERVIOR TO SAID VALVE MEANS WHEREBY FLUID PRESSURE IS APPLIED TO SAID POWER BARKE MEANS AT A LEVEL LOWER THAN WHICH PRODUCES THE SKID.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |