US3339581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure regulator valve
Assignee: Textron Inc
•
Filing: 1965-06-15
•
Granted: 1967-09-05
•
Expires: 1985-06-15
Abstract
No abstract record available.
Inventors
- 👤 Louis B Courtot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:36
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0675; G05D16/0683; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/783; Y10T137/7831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A FLUID PRESSURE REGULATOR COMPRISING A BODY DEFINING A FLUID CHAMBER HAVING AN OPEN SIDE, A DIAPHRAGM CLOSING SAID OPEN SIDE AND MOVABLE RESPONSIVE TO THE FLUID PRESSURE IN SAID CHAMBER, SPRING MEANS BIASING SAID DIAPHRAGM INTO SAID CHAMBER, AN OUTLET FROM SAID CHAMBER, AN INLET ON SAID BODY, PASSAGE MEANS INTERCONNECTING SAID INLET AND SAID CHAMBER AND INCLUDING A VALVE SEAT, A LEVER PIVOTALLY MOUNTED IN SAID CHAMBER, A VALVE CLOSURE MEMBER MOVABLE TO AND FROM SAID VALVE SEAT BY SAID LEVER, LINKAGE MEANS INTERCONNECTING SAID LEVER AND SAID DIAPHRAGM, AND STOP MEANS ENGAGEABLE BY SAID LEVER WHEN SAID VALVE CLOSURE MEMBER IS AWAY FROM SAID VALVE SEAT, SAID STOP MEANS BEING OPERABLE WHEN ENGAGED BY SAID
Claim 2
Dependent Claim
118 words
A FLUID PRESSURE REGULATOR COMPRISING A BODY DEFINING A FLUID CHAMBER HAVING AN OPEN SIDE, A DIAPHRAGM CLOSING SAID OPEN SIDE AND MOVABLE RESPONSIVE TO THE FLUID PRESSURE IN SAID CHAMBER, SPRING MEANS BIASING SAID DIAPHRAGM INTO SAID CHAMBER, AN OUTLET FROM SAID CHAMBER, AN INLET ON SAID BODY, PASSAGE MEANS INTERCONNECTING SAID INLET AND SAID CHAMBER AND INCLUDING A VALVE SEAT, A LEVER PIVOTALLY MOUNTED IN SAID CHAMBER, A VALVE CLOSURE MEMBER MOVABLE TO AND FROM SAID VALVE SEAT BY SAID LEVER, LINKAGE MEANS INTERCONNECTING SAID LEVER AND SAID DIAPHRAGM, AND STOP MEANS ENGAGEABLE BY SAID LEVER WHEN SAID VALVE CLOSURE MEMBER IS AWAY FROM SAID VALVE SEAT, SAID STOP MEANS BEING OPERABLE WHEN ENGAGED BY SAID
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |