US2743036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety devices for compressed gas containers
Assignee: American Electro Metal Corp
•
Filing: 1952-05-28
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Granted: 1956-04-24
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Expires: 1972-05-28
Abstract
No abstract record available.
Inventors
- 👤 Wachtell Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F17; F17C; F17C13/00; F17C13/12; F17C13/123; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0311; F17C2205/0314; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A SAFETY RELIEF DEVICE FOR GASES UNDER PRESSURE, THE COMBINATION OF A TANK HAVING A DISCHARGE DUCT AND A SAFETY BURSTING DISK PROVIDING A SEALING CLOSURE FOR SAID DUCT, SAID BURSTING DISK COMPRISING A POROUS SKELETON BODY OF CEMENTED METAL PARTICLES TO PROVIDE A STRONG CREEP RESISTANT BODY, THE PORES OF SAID SKELETON BODY BEING FILLED WITH A READILY FUSIBLE MATERIAL WHICH MELTS AT TEMPERATURES ABOVE NORMAL TO PERMIT GAS TO ESCAPE THROUGH SAID PORES.
Claim 2
Dependent Claim
76 words
IN A SAFETY RELIEF DEVICE FOR GASES UNDER PRESSURE, THE COMBINATION OF A TANK HAVING A DISCHARGE DUCT AND A SAFETY BURSTING DISK PROVIDING A SEALING CLOSURE FOR SAID DUCT, SAID BURSTING DISK COMPRISING A POROUS SKELETON BODY OF CEMENTED METAL PARTICLES TO PROVIDE A STRONG CREEP RESISTANT BODY, THE PORES OF SAID SKELETON BODY BEING FILLED WITH A READILY FUSIBLE MATERIAL WHICH MELTS AT TEMPERATURES ABOVE NORMAL TO PERMIT GAS TO ESCAPE THROUGH SAID PORES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |