US3614911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake booster
Assignee: TDK Micronas GmbH
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Filing: 1969-10-03
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Granted: 1971-10-26
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Expires: 1989-10-03
Abstract
Abstract A VACUUM OPERATED BRAKE BOOSTER FOR POWER ASSISTED BRAKES IN WHICH TWO THRUST MEMBERS ACTING BETWEEN THE POWER PISTON OF THE BOOSTER AND THE POWER TRANSMITTING MEMBER FOR THE MASTER CYLINDER ARE HELD AT AN ANGLE WITH RESPECT TO THE PISTON AXIS BY A RESILIENT TIE STRIP CONNECTING THE ENDS OF THE THRUST MEMBERS. THE CENTER SECTION OF THE TIE STRIP CONTINUOUSLY EXERTS A REACTION FORCE ON THE ACTUATING LINKAGE TO ELIMINATE SLACK IN THE SYSTEM.
Inventors
- 👤 Juan Belart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:57
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/573
Claims Analysis
Total Claims: 0
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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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |