Patent US3292371A successfully refreshed from Google Patents.
US3292371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder and brake system incorporating same
Assignee: Continental Teves AG and Co OHG
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Filing: 1963-07-09
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Granted: 1966-12-20
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Belart Juan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:43
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A BRAKE MASTER CYLINDER, COMPRISING HOUSING MEANS FORMING A GENERALLY CYLINDRICAL BORE AND PROVIDED WITH A PAIR OF OUTLETS AXIALLY SPACED THEREALONG FOR FEEDING FLUID TO RESPECTIVE BRAKE MEANS; A FLOATING PISTON RECIPROCABLE WITHIN SAID BORE INTERMEDIATE SAID OUTLETS, SAID FLOATING PISTON HAVING AN AXIALLY EXTENDING CHAMBER OPEN AT ONE END THEREOF; AND AN ACTUATING PISTON RECIPROCABLE WITHIN SAID BORE AND HAVING A PORTION AXIALLY EXTENDING INTO SAID CHAMBER THROUGH THE OPEN END OF SAID FLOATING PISTON AND SLIDABLY RECEIVED THEREIN, SAID FLOATING PISTON BEING PROVIDED WITH MEANS FORMING WITH THE WALL OF SAID BORE A PASSAGE COMMUNICATING BETWEEN THE EXTERIOR THEREOF AND SAID CHAMBER, ONE OF SAID OUTLETS BEING DISPOSED INTERMEDIATE SAID PISTONS, SAID HOUSING MEANS INCLUDING A FLUID RESERVOIR CONTAINING FLUID AT A LOW PRESSURE, SAID PASSAGE COMMUNICATING WITH SAID RESERVOIR AND INCLUDING A PORT FORMED IN A WALL OF SAID FLOATING PISTON AND INTERCONNECTING SAID BORE AND SAID CHAMBER.
Claim 2
Dependent Claim
152 words
A BRAKE MASTER CYLINDER, COMPRISING HOUSING MEANS FORMING A GENERALLY CYLINDRICAL BORE AND PROVIDED WITH A PAIR OF OUTLETS AXIALLY SPACED THEREALONG FOR FEEDING FLUID TO RESPECTIVE BRAKE MEANS; A FLOATING PISTON RECIPROCABLE WITHIN SAID BORE INTERMEDIATE SAID OUTLETS, SAID FLOATING PISTON HAVING AN AXIALLY EXTENDING CHAMBER OPEN AT ONE END THEREOF; AND AN ACTUATING PISTON RECIPROCABLE WITHIN SAID BORE AND HAVING A PORTION AXIALLY EXTENDING INTO SAID CHAMBER THROUGH THE OPEN END OF SAID FLOATING PISTON AND SLIDABLY RECEIVED THEREIN, SAID FLOATING PISTON BEING PROVIDED WITH MEANS FORMING WITH THE WALL OF SAID BORE A PASSAGE COMMUNICATING BETWEEN THE EXTERIOR THEREOF AND SAID CHAMBER, ONE OF SAID OUTLETS BEING DISPOSED INTERMEDIATE SAID PISTONS, SAID HOUSING MEANS INCLUDING A FLUID RESERVOIR CONTAINING FLUID AT A LOW PRESSURE, SAID PASSAGE COMMUNICATING WITH SAID RESERVOIR AND INCLUDING A PORT FORMED IN A WALL OF SAID FLOATING PISTON AND INTERCONNECTING SAID BORE AND SAID CHAMBER.
References Cited (Backward Citations)
US3149468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |