US3091359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety pressure relief device
Assignee: Black Sivalls and Bryson Inc
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Filing: 1961-03-24
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Granted: 1963-05-28
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Loren E Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:18
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/24; B; B01; B01J; B01J3/00; B01J3/002; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A SAFETY PRESSURE RELIEF DEVICE COMPRISING, A BASE MEMBER, A HOLD-DOWN MEMBER, A FIRST CROWNED RUPTURE MEMBER, A SECOND CROWNED RUPTURE MEMBER, A RESILIENT SEALING MEMBRANE, SAID RESILIENT SEALING MEMBRANE BEING POSITIONED BETWEEN SAID FIRST CROWNED MEMBER AND SAID SECOND CROWNED MEMBER, SAID FIRST CROWNED MEMBER BEING POSITIONED WITH RESPECT TO SAID SECOND CROWNED MEMBER WITH ITS CONVEX SIDE AWAY FROM SAID SECOND CROWNED MEMBER,
Claim 2
Dependent Claim
65 words
A SAFETY PRESSURE RELIEF DEVICE COMPRISING, A BASE MEMBER, A HOLD-DOWN MEMBER, A FIRST CROWNED RUPTURE MEMBER, A SECOND CROWNED RUPTURE MEMBER, A RESILIENT SEALING MEMBRANE, SAID RESILIENT SEALING MEMBRANE BEING POSITIONED BETWEEN SAID FIRST CROWNED MEMBER AND SAID SECOND CROWNED MEMBER, SAID FIRST CROWNED MEMBER BEING POSITIONED WITH RESPECT TO SAID SECOND CROWNED MEMBER WITH ITS CONVEX SIDE AWAY FROM SAID SECOND CROWNED MEMBER,
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 |