US3091255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-flutter poppet device
Assignee: Bendix Corp
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Filing: 1960-12-01
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Granted: 1963-05-28
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Dale S Wahlstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:19
CPC Classifications
F; F16; F16K; F16K47/00; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/57; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A CONTROL VALVE: A VALVE BODY HAVING AN ANNULAR FIXED VALVE SEAT THEREIN, A POPPET MEMBER FOR ABUTMENT WITH SAID VALVE SEAT, SAID POPPET BEING FLUID PRESSURE RESPONSIVE, A DIAPHRAGM FASTENED BETWEEN SAID POPPET MEMBER AND SAID VALVE BODY WHICH SUBSTANTIALLY BALANCES THE PRESSURE FORCES ON SAID POPPET MEMBER, AND STRUCTURE POSITIONED BETWEEN SAID VALVE SEAT AND SAID DIAPHRAGM AND PROVIDING SLIDING FRICTIONAL RESISTANCE BETWEEN SAID POPPET MEMBER AND SAID VALVE BODY, SAID STRUCTURE ALSO
Claim 2
Dependent Claim
76 words
IN A CONTROL VALVE: A VALVE BODY HAVING AN ANNULAR FIXED VALVE SEAT THEREIN, A POPPET MEMBER FOR ABUTMENT WITH SAID VALVE SEAT, SAID POPPET BEING FLUID PRESSURE RESPONSIVE, A DIAPHRAGM FASTENED BETWEEN SAID POPPET MEMBER AND SAID VALVE BODY WHICH SUBSTANTIALLY BALANCES THE PRESSURE FORCES ON SAID POPPET MEMBER, AND STRUCTURE POSITIONED BETWEEN SAID VALVE SEAT AND SAID DIAPHRAGM AND PROVIDING SLIDING FRICTIONAL RESISTANCE BETWEEN SAID POPPET MEMBER AND SAID VALVE BODY, SAID STRUCTURE ALSO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |