US3369845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid brake control
Assignee: RTX Corp
•
Filing: 1966-08-02
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Granted: 1968-02-20
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Expires: 1986-08-02
Abstract
No abstract record available.
Inventors
- 👤 John A Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:15
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/321; B60T8/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ANTI-SKID BRAKE CONTROL SYSTEM FOR A VEHICLE COMPRISING: MEANS OPERATIVELY CONNECTED TO A FIRST WHEEL ON THE VEHICLE FOR GENERATING A FIRST STREAM OF FLUID, THE PRESSURE OF SAID FIRST FLUID BEING COMMENSURATE WITH THE ROTATIONAL SPEED OF SAID FIRST SIDE WHEEL; MEANS OPERATIVELY CONNECTED TO A SECOND WHEEL ON THE VEHICLE FOR GENERATING A SECOND STREAM OF FLUID, THE PRESSURE OF SAID SECOND FLUID BEING COMMENSURATE WITH THE ROTATIONAL SPEED OF SAID SECOND WHEEL; MEANS RESPONSIVE TO SAID FIRST AND SECOND FLUID STREAMS FOR GENERATING AN OUTPUT SIGNAL IN RESPONSE TO A PRESSURE DIFFERENCE BETWEEN SAID FIRST AND SECOND SIGNALS, SAID OUTPUT SIGNAL BEING INDICATIVE OF WHICH OF SAID WHEELS HAS THE LESSER ROTATIONAL SPEED; AND MEANS RESPONSIVE TO SAID OUTPUT FOR ADJUSTING THE BRAKING FORCE APPLIED TO THE WHEEL WHICH HAS THE LESSER ROTATIONAL SPEED, SAID ADJUSTABLY MEANS CAUSING A DECREASE IN SAID BRAKING FORCE WHEREBY SAID WHEELS WILL ROTATE AT THE SAME SPEED.
Claim 2
Dependent Claim
157 words
AN ANTI-SKID BRAKE CONTROL SYSTEM FOR A VEHICLE COMPRISING: MEANS OPERATIVELY CONNECTED TO A FIRST WHEEL ON THE VEHICLE FOR GENERATING A FIRST STREAM OF FLUID, THE PRESSURE OF SAID FIRST FLUID BEING COMMENSURATE WITH THE ROTATIONAL SPEED OF SAID FIRST SIDE WHEEL; MEANS OPERATIVELY CONNECTED TO A SECOND WHEEL ON THE VEHICLE FOR GENERATING A SECOND STREAM OF FLUID, THE PRESSURE OF SAID SECOND FLUID BEING COMMENSURATE WITH THE ROTATIONAL SPEED OF SAID SECOND WHEEL; MEANS RESPONSIVE TO SAID FIRST AND SECOND FLUID STREAMS FOR GENERATING AN OUTPUT SIGNAL IN RESPONSE TO A PRESSURE DIFFERENCE BETWEEN SAID FIRST AND SECOND SIGNALS, SAID OUTPUT SIGNAL BEING INDICATIVE OF WHICH OF SAID WHEELS HAS THE LESSER ROTATIONAL SPEED; AND MEANS RESPONSIVE TO SAID OUTPUT FOR ADJUSTING THE BRAKING FORCE APPLIED TO THE WHEEL WHICH HAS THE LESSER ROTATIONAL SPEED, SAID ADJUSTABLY MEANS CAUSING A DECREASE IN SAID BRAKING FORCE WHEREBY SAID WHEELS WILL ROTATE AT THE SAME SPEED.
References Cited (Backward Citations)
US3004801A
Cited
US3021181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |