Patent US3113433A successfully refreshed from Google Patents.
US3113433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake system
Assignee: Individual
•
Filing: 1962-03-07
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Granted: 1963-12-10
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Kohlman John William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:01
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20; B60T11/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A FLUID PRESSURE BRAKE SYSTEM FOR AUTOMOTIVE TYPE VEHICLES COMPRISING, AT LEAST TWO MASTER CYLINDERS DISPOSED IN SIDE-BY-SIDE RELATION FOR SUPPLYING FLUID UNDER PRESSURE TO SAID BRAKE SYSTEM, A PISTON IN EACH OF SAID CYLINDERS AND A PISTON ROD CONNECTED TO EACH OF THE RESPECTIVE OF SAID PISTONS, PIVOTAL MEANS OPERATIVELY COUPLED TO EACH OF SAID PISTON RODS FOR ACTUATION OF THE LATTER AND ADAPTED FOR PIVOTAL MOVEMENT IN A GENERALLY VERTICAL PLANE, RECIPROCATING MEANS ADAPTED TO EXTEND THROUGH SAID FIRE WALL, SAID RECIPROCATING MEANS OPERABLY COUPLED AT ONE END TO SAID PIVOTAL LEVER MEANS AND AT ITS OTHER END TO A FOOT BRAKE PEDAL OF A VEHICLE SUCH THAT DEPRESSION OF THE BRAKE PEDAL ACTUATES SAID RECIPROCATING MEANS IN A DIRECTION AWAY FROM SAID FIRE WALL CAUSING ROTATION OF SAID PIVOTAL LEVER MEANS AND SIMULTANEOUS ACTUATION OF SAID PISTON RODS IN A DIRECTION OPPOSITE TO MOVEMENT OF SAID RECIPROCATING MEANS TOWARD SAID FIRE WALL, WHEREBY THE FORCE APPLIED TO RESPECTIVE OF SAID CYLINDERS IS TRANSLATED IN A DIRECTION TOWARD SAID FIRE WALL DURING APPLICATION OF SAID BRAKING SYSTEM.
Claim 2
Dependent Claim
180 words
IN A FLUID PRESSURE BRAKE SYSTEM FOR AUTOMOTIVE TYPE VEHICLES COMPRISING, AT LEAST TWO MASTER CYLINDERS DISPOSED IN SIDE-BY-SIDE RELATION FOR SUPPLYING FLUID UNDER PRESSURE TO SAID BRAKE SYSTEM, A PISTON IN EACH OF SAID CYLINDERS AND A PISTON ROD CONNECTED TO EACH OF THE RESPECTIVE OF SAID PISTONS, PIVOTAL MEANS OPERATIVELY COUPLED TO EACH OF SAID PISTON RODS FOR ACTUATION OF THE LATTER AND ADAPTED FOR PIVOTAL MOVEMENT IN A GENERALLY VERTICAL PLANE, RECIPROCATING MEANS ADAPTED TO EXTEND THROUGH SAID FIRE WALL, SAID RECIPROCATING MEANS OPERABLY COUPLED AT ONE END TO SAID PIVOTAL LEVER MEANS AND AT ITS OTHER END TO A FOOT BRAKE PEDAL OF A VEHICLE SUCH THAT DEPRESSION OF THE BRAKE PEDAL ACTUATES SAID RECIPROCATING MEANS IN A DIRECTION AWAY FROM SAID FIRE WALL CAUSING ROTATION OF SAID PIVOTAL LEVER MEANS AND SIMULTANEOUS ACTUATION OF SAID PISTON RODS IN A DIRECTION OPPOSITE TO MOVEMENT OF SAID RECIPROCATING MEANS TOWARD SAID FIRE WALL, WHEREBY THE FORCE APPLIED TO RESPECTIVE OF SAID CYLINDERS IS TRANSLATED IN A DIRECTION TOWARD SAID FIRE WALL DURING APPLICATION OF SAID BRAKING SYSTEM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |