Patent US3109554A successfully refreshed from Google Patents.
US3109554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rupture disc unit
Assignee: Fike Metal Products Corp
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Filing: 1960-09-19
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Granted: 1963-11-05
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Louis M Porter
- 👤 Franklin T Speck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:24
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/14; F16K17/16; F16K17/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A PRESSURE RELIEF ASSEMBLY FOR A PRESSURE CONDUIT COMPRISING: A RUPTURE DISC HAVING A GENERALLY SPHERICAL PORTION RUPTURABLE AT A SELECTED PRESSURE AND PRESENTING OPPOSED, MAJOR CONVEX AND CONCAVE SURFACES RESPECTIVELY; SAID RUPTURE DISC BEING ADAPTED TO BE POSITIONED IN SAID CONDUIT IN CLOSING RELATIONSHIP THERETO WITH SAID CONCAVE SURFACE THEREOF FACING THE PRESSURE SIDE OF THE CONDUIT; AND A COVER DISC OVERLYING SAID RUPTURE DISC AND HAVING A GENERALLY SPHERICAL SECTION RUPTURABLE AT A PREDETERMINED PRESSURE AND IN COMPLEMENTAL ENGAGEMENT WITH SAID CONVEX SURFACE OF THE RUPTURE DISC, SAID SPHERICAL SECTION BEING PROVIDED WITH A SINGLE SERIES ONLY OF ELONGATED, LONGITUDINALLY ARCUATE, DISCONTINOUS SLITS THEREIN OF SUBSTANTIAL LENGTH AND ARRANGED IN A GENERALLY CIRCULAR PATTERN COAXIAL WITH AND SPACED FROM THE AXIS OF SAID SPHERICAL SECTION OF THE COVER DISC AND SPACED INWARDLY FROM THE PERIPHERY OF THE COVER DISC ADJACENT THERETO, EACH OF THE AREAS OF THE SPHERICAL SECTION OF SAID COVER DISC BETWEEN ADJACENT EXTREMITIES OF SAID LINES OF WEAK-
Claim 2
Dependent Claim
163 words
A PRESSURE RELIEF ASSEMBLY FOR A PRESSURE CONDUIT COMPRISING: A RUPTURE DISC HAVING A GENERALLY SPHERICAL PORTION RUPTURABLE AT A SELECTED PRESSURE AND PRESENTING OPPOSED, MAJOR CONVEX AND CONCAVE SURFACES RESPECTIVELY; SAID RUPTURE DISC BEING ADAPTED TO BE POSITIONED IN SAID CONDUIT IN CLOSING RELATIONSHIP THERETO WITH SAID CONCAVE SURFACE THEREOF FACING THE PRESSURE SIDE OF THE CONDUIT; AND A COVER DISC OVERLYING SAID RUPTURE DISC AND HAVING A GENERALLY SPHERICAL SECTION RUPTURABLE AT A PREDETERMINED PRESSURE AND IN COMPLEMENTAL ENGAGEMENT WITH SAID CONVEX SURFACE OF THE RUPTURE DISC, SAID SPHERICAL SECTION BEING PROVIDED WITH A SINGLE SERIES ONLY OF ELONGATED, LONGITUDINALLY ARCUATE, DISCONTINOUS SLITS THEREIN OF SUBSTANTIAL LENGTH AND ARRANGED IN A GENERALLY CIRCULAR PATTERN COAXIAL WITH AND SPACED FROM THE AXIS OF SAID SPHERICAL SECTION OF THE COVER DISC AND SPACED INWARDLY FROM THE PERIPHERY OF THE COVER DISC ADJACENT THERETO, EACH OF THE AREAS OF THE SPHERICAL SECTION OF SAID COVER DISC BETWEEN ADJACENT EXTREMITIES OF SAID LINES OF WEAK-
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |