US3074602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief devices for pressure vessels and methods of making the same
Assignee: Individual
•
Filing: 1958-11-26
•
Granted: 1963-01-22
•
Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 Shillady Marion Charlton
- 👤 Paul V Frakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/70; B05; B05B; B05B15/00; B05B15/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/4979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A DEVICE FOR THE RELEASE OF EXCESS INTERNAL PRESSURE OF A PRESSURE VESSEL CONTAINING VAPORIZING PROPELLANT COMPRISING A CLOSURE CAP FOR THE RECEPTACLE HAVING A DISPENSING VALVE WITH AN INTEGRAL INWARDLY CONCAVE PORTION THEREAROUND, SAID CONCAVE PORTION BEING MOVABLE TO AN OUTWARDLY CONVEXED CONDITION UPON THE ATTAINMENT OF EXCESS INTERNAL PRESSURE, SAID CONCAVE PORTION HAVING AN INTEGRAL SPOT THEREON OF MATERIAL OF REDUCED CROSS SECTION FOR RUPTURE UPON CHANGE OF POSITION OF SAID CONCAVE PORTION TO ITS OUTWARDLY CONVEXED CONDITION.
Claim 2
Independent Claim
80 words
A DEVICE FOR THE RELEASE OF EXCESS INTERNAL PRESSURE OF A PRESSURE VESSEL CONTAINING VAPORIZING PROPELLANT COMPRISING A CLOSURE CAP FOR THE RECEPTACLE HAVING A DISPENSING VALVE WITH AN INTEGRAL INWARDLY CONCAVE PORTION THEREAROUND, SAID CONCAVE PORTION BEING MOVABLE TO AN OUTWARDLY CONVEXED CONDITION UPON THE ATTAINMENT OF EXCESS INTERNAL PRESSURE, SAID CONCAVE PORTION HAVING AN INTEGRAL SPOT THEREON OF MATERIAL OF REDUCED CROSS SECTION FOR RUPTURE UPON CHANGE OF POSITION OF SAID CONCAVE PORTION TO ITS OUTWARDLY CONVEXED CONDITION.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |