Patent US3430647A successfully refreshed from Google Patents.
US3430647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety valve for propane cylinders
Assignee: Cooper Industries LLC
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Filing: 1966-06-10
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Granted: 1969-03-04
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Walter T Suchowolec
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:51
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/30; F16K1/304; F16K1/306; F16K1/307; F16K17/00; F16K17/02; F16K17/04; F17; F17C; F17C13/00; F17C13/04; F17C13/12; F17C13/123; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0332; F17C2205/0382; F17C2205/0388; F17C2205/0394; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2270/00; F17C2270/07; F17C2270/0745; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/7043; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7936; Y10T29/00; Y10T29/49; Y10T29/49405; Y10T29/49412; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A VALVE COMPRISING A BODY MEMBER MADE OF SHEET METAL SHAPED TO HAVE A CYLINDRICAL OUTER WALL AND A RADIALLY INWARDLY EXTENDING WALL AT ONE END APERTURE AND EMBOSSED TO FORM AN INTEGRAL VALVE SEAT, AND A RADIALLY OUTWARDLY EXTENDING RETAINER PORTION AT THE OPPOSITE END OF SAID BODY MEMBER, A DISK-SHAPED SEALING MEMBER OVERLYING SAID VALVE SEAT INSIDE OF SAID BODY MEMBER, A SEAL RETAINER MEMBER MADE OF SHEET METAL AND TO WHICH SAID SEALING MEMBER IS CONNECTED ON ONE SIDE AND AGAINST WHICH A COIL SPRING MAY BE BOTTOMED ON ITS OPPOSITE SIDE, A COIL SPRING HAVING ONE END BOTTOMED ON SAID SEAL RETAINER MEMBER INSIDE OF SAID BODY MEMBER, A SPRING RETAINER CLIP IN SNAP-IN ASSEMBLY WITH SAID RETAINER PORTION OF SAID BODY MEMBER AND HAVING A PORTION BOTTOMING THE OTHER END OF SAID COIL SPRING, AND A CAP MEMBER HAVING A DOME-SHAPED CANOPY OVERLYING SAID BODY MEMBER AND INCLUDINGG SIDE WALLS ENGAGING SAID RETAINER PORTION IN FIRM ASSEMBLY, SAID CAP MEMBER SIDE WALLS HAVING PASSAGE OPENING SIDEWAYS TO DIFFUSE DISCHARGED GASES WITHOUT AXIAL THRUST.
Claim 2
Dependent Claim
178 words
A VALVE COMPRISING A BODY MEMBER MADE OF SHEET METAL SHAPED TO HAVE A CYLINDRICAL OUTER WALL AND A RADIALLY INWARDLY EXTENDING WALL AT ONE END APERTURE AND EMBOSSED TO FORM AN INTEGRAL VALVE SEAT, AND A RADIALLY OUTWARDLY EXTENDING RETAINER PORTION AT THE OPPOSITE END OF SAID BODY MEMBER, A DISK-SHAPED SEALING MEMBER OVERLYING SAID VALVE SEAT INSIDE OF SAID BODY MEMBER, A SEAL RETAINER MEMBER MADE OF SHEET METAL AND TO WHICH SAID SEALING MEMBER IS CONNECTED ON ONE SIDE AND AGAINST WHICH A COIL SPRING MAY BE BOTTOMED ON ITS OPPOSITE SIDE, A COIL SPRING HAVING ONE END BOTTOMED ON SAID SEAL RETAINER MEMBER INSIDE OF SAID BODY MEMBER, A SPRING RETAINER CLIP IN SNAP-IN ASSEMBLY WITH SAID RETAINER PORTION OF SAID BODY MEMBER AND HAVING A PORTION BOTTOMING THE OTHER END OF SAID COIL SPRING, AND A CAP MEMBER HAVING A DOME-SHAPED CANOPY OVERLYING SAID BODY MEMBER AND INCLUDINGG SIDE WALLS ENGAGING SAID RETAINER PORTION IN FIRM ASSEMBLY, SAID CAP MEMBER SIDE WALLS HAVING PASSAGE OPENING SIDEWAYS TO DIFFUSE DISCHARGED GASES WITHOUT AXIAL THRUST.
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |