US3296798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder
Assignee: Bendix Corp
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Filing: 1965-06-23
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Granted: 1967-01-10
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Expires: 1985-06-23
Abstract
No abstract record available.
Inventors
- 👤 Paul B Shutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:42
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
IN A MASTER CYLINDER HOUSING COMPRISING: A LONGITUDINAL STEPPED BORE WITH THE SMALLER DIAMETERED PORTION BEING FORWARD OF THE LARGER DIAMETERED PORTION, A PAIR OF AXIALLY SPACED PLUNGERS DISPOSED IN SAID BORE, THE FORWARD MOST PLUNGER SEPARATING SAID BORE INTO A FORWARD FLUID CHAMBER AND A REAR FLUID CHAMBER, SEPARATE RESERVOIR PORT MEANS OPENING INTO EACH CHAMBER, SEPARATE OUTLET PORT MEANS FOR EACH CHAMBER, ONE OF SAID PLUNGERS HAVING A RECESSED END EXTENDING AWAY THEREFROM TOWARD THE OTHER OF SAID PLUNGERS, SAID OTHER PLUNGER HAVING A PORTION PROJECTING INTO SAID RECESS, FIRST STOP MEANS LOCATED IN SAID RECESS, SECOND STOP MEANS CARRIED BY SAID PROJECTING PORTION LOCATED ON THE SIDE OF SAID FIRST STOP MEANS WHICH IS AN AXIAL DIRECTION TOWARD SAID ONE PLUNGER FOR ENGAGEMENT WITH SAID FIRST STOP MEANS, THIRD STOP MEANS CARRIED BY SAID PROJECTING PORTION AXIALLY SPACED FROM SAID FIRST AND SECOND STOP MEANS, AN ABUTMENT MEMBER SLIDABLY CARRIED BY SAID OTHER PLUNGER, RESILIENT MEANS CARRIED BY SAID OTHER PLUNGER URGING SAID ABUTMENT MEMBER INTO ENGAGEMENT WITH SAID THIRD STOP MEANS, AN ABUTMENT SHOULDER ON SAID ONE PLUNGER ABUTTING SAID ABUTMENT MEMBER, AND MEANS PROVIDING A THRUST CONNECTION BETWEEN SAID PLUNERS WHEN SAID PLUNGERS MOVE RELATIVELY TOWARD EACH OTHER A PREDETERMINED DISTANCE.
Claim 2
Dependent Claim
206 words
IN A MASTER CYLINDER HOUSING COMPRISING: A LONGITUDINAL STEPPED BORE WITH THE SMALLER DIAMETERED PORTION BEING FORWARD OF THE LARGER DIAMETERED PORTION, A PAIR OF AXIALLY SPACED PLUNGERS DISPOSED IN SAID BORE, THE FORWARD MOST PLUNGER SEPARATING SAID BORE INTO A FORWARD FLUID CHAMBER AND A REAR FLUID CHAMBER, SEPARATE RESERVOIR PORT MEANS OPENING INTO EACH CHAMBER, SEPARATE OUTLET PORT MEANS FOR EACH CHAMBER, ONE OF SAID PLUNGERS HAVING A RECESSED END EXTENDING AWAY THEREFROM TOWARD THE OTHER OF SAID PLUNGERS, SAID OTHER PLUNGER HAVING A PORTION PROJECTING INTO SAID RECESS, FIRST STOP MEANS LOCATED IN SAID RECESS, SECOND STOP MEANS CARRIED BY SAID PROJECTING PORTION LOCATED ON THE SIDE OF SAID FIRST STOP MEANS WHICH IS AN AXIAL DIRECTION TOWARD SAID ONE PLUNGER FOR ENGAGEMENT WITH SAID FIRST STOP MEANS, THIRD STOP MEANS CARRIED BY SAID PROJECTING PORTION AXIALLY SPACED FROM SAID FIRST AND SECOND STOP MEANS, AN ABUTMENT MEMBER SLIDABLY CARRIED BY SAID OTHER PLUNGER, RESILIENT MEANS CARRIED BY SAID OTHER PLUNGER URGING SAID ABUTMENT MEMBER INTO ENGAGEMENT WITH SAID THIRD STOP MEANS, AN ABUTMENT SHOULDER ON SAID ONE PLUNGER ABUTTING SAID ABUTMENT MEMBER, AND MEANS PROVIDING A THRUST CONNECTION BETWEEN SAID PLUNERS WHEN SAID PLUNGERS MOVE RELATIVELY TOWARD EACH OTHER A PREDETERMINED DISTANCE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |