US3233616A
Expired / Lapsed
US
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Assignee: Sunoco Inc
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Filing: 1962-08-03
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Granted: 1966-02-08
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Chieffo Anibole Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/26; G01M3/28; G01M3/2876; F; F16; F16L; F16L2101/00; F16L2101/30; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2842; Y10T137/2863; Y10T137/5762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN COMBINATION, A PRESSURE RELIEF VALVE HAVING A FIRST CHANNEL FOR COMMUNICATION WITH A PRESSURE VESSEL, A SECOND CHANNEL FOR COMMUNICATION WITH THE ATMOSPHERE, AND A SEAT AND COOPERATING CLOSURE MEANS BETWEEN SAID CHANNELS, SAID SEAT AND CLOSURE MEANS NORMALLY PROVIDING A SEAL BETWEEN SAID CHANNELS; A RECEPTACLE CONTAINING A LIQUID VISIBLE THROUGH THE WALLS OF SAID RECEPTACLE, AND MEANS RESPONSIVE TO A PREDETERMINED SMALL SUPERATMOSPHERIC PRESSURE ON THE ATMOSPHERE SIDE OF SAID SEAT FOR FORCING AT LEAST A PORTION OF THE LIQUID OUT OF SAID RECEPTACLE, SAID LAST-MENTIONED MEANS INCLUDING A TUBE EXTENDING BETWEEN THE ATMOSPHERE SIDE OF SAID SEAT AND THE INTERIOR OF SAID RECEPTACLE, SAID TUBE BEING PERMANENTLY MOUNTED WITH ONE END ADJACENT THE ATMOSPHERE
Claim 2
Dependent Claim
118 words
IN COMBINATION, A PRESSURE RELIEF VALVE HAVING A FIRST CHANNEL FOR COMMUNICATION WITH A PRESSURE VESSEL, A SECOND CHANNEL FOR COMMUNICATION WITH THE ATMOSPHERE, AND A SEAT AND COOPERATING CLOSURE MEANS BETWEEN SAID CHANNELS, SAID SEAT AND CLOSURE MEANS NORMALLY PROVIDING A SEAL BETWEEN SAID CHANNELS; A RECEPTACLE CONTAINING A LIQUID VISIBLE THROUGH THE WALLS OF SAID RECEPTACLE, AND MEANS RESPONSIVE TO A PREDETERMINED SMALL SUPERATMOSPHERIC PRESSURE ON THE ATMOSPHERE SIDE OF SAID SEAT FOR FORCING AT LEAST A PORTION OF THE LIQUID OUT OF SAID RECEPTACLE, SAID LAST-MENTIONED MEANS INCLUDING A TUBE EXTENDING BETWEEN THE ATMOSPHERE SIDE OF SAID SEAT AND THE INTERIOR OF SAID RECEPTACLE, SAID TUBE BEING PERMANENTLY MOUNTED WITH ONE END ADJACENT THE ATMOSPHERE
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |