Patent US3263698A successfully refreshed from Google Patents.
US3263698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure relief valve
Assignee: Individual
•
Filing: 1963-04-16
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Granted: 1966-08-02
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Expires: 1983-04-16
Abstract
No abstract record available.
Inventors
- 👤 Gert K A Siggelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:42
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; F16K17/0413; F16K17/042; G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/0616; G05D16/0619; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7734; Y10T137/7837; Y10T137/7897
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A PRESSURE RELIEF VALVE FOR LIMITING THE PRESSURE DIFFERENTIAL ACROSS THE WALL OF AN ENCLOSURE COMPRISING A VALVE BODY, A VALVE PORT IN SAID BODY, A BELLOWS EXPANDABLE PORT CLOSURE DISC UPON SAID PORT AND A VALVE STEM FASTENED TO SAID BELLOWS AND SUPPORTING DISC FOR RECIPROCATION BETWEEN OPEN AND PORT COLSURE POSITIONS, A GROOVE IN SAID VALVE BODY, A HORIZONTAL LATCHING PIN MOUNTED TO RECIPROCABLE RADIALLY OF SAID PORT WITH AN OUTER LATCHING FITTING WITHIN SAID GROOVE FOR LATCHING SAID DISC AND STEM IN PORT CLOSURE POSITION OF SAID DISC, A SHOULDER UPON SAID VALVE STEM BEARING AGAINST AN OPPOSITE INNER END OF SAID LATCHING PIN RETAINING SAID PIN IN LATCHED POSITION IN SAID GROOVE, AND ADJUSTABLE RESILIENT MEANS BIASING SAID STEM AND AND DISC INTO PORT CLOSURE POSITION WTH SAID VALVE STEM SHOULDER SECURING SAID LATCHING PIN IN LATCHED POSITION, SAID RESILIENT MEANS BEING EXPANDABLE BY DIFFERENTIAL PRESSURE ON SAID DISC AND BELLOWS ACROSS SAID PORT TO RESILIENTLY LOWER SAID STEM AND SHOULDER, TO RELEASE SAID LATCHING PIN FOR RADIAL RECIPROCATION FROM LATCHED POSITION TO RELEASE AND LOWER SAID DISC FROM ITS PORT CLOSURE POSITION.
Claim 2
Dependent Claim
187 words
A PRESSURE RELIEF VALVE FOR LIMITING THE PRESSURE DIFFERENTIAL ACROSS THE WALL OF AN ENCLOSURE COMPRISING A VALVE BODY, A VALVE PORT IN SAID BODY, A BELLOWS EXPANDABLE PORT CLOSURE DISC UPON SAID PORT AND A VALVE STEM FASTENED TO SAID BELLOWS AND SUPPORTING DISC FOR RECIPROCATION BETWEEN OPEN AND PORT COLSURE POSITIONS, A GROOVE IN SAID VALVE BODY, A HORIZONTAL LATCHING PIN MOUNTED TO RECIPROCABLE RADIALLY OF SAID PORT WITH AN OUTER LATCHING FITTING WITHIN SAID GROOVE FOR LATCHING SAID DISC AND STEM IN PORT CLOSURE POSITION OF SAID DISC, A SHOULDER UPON SAID VALVE STEM BEARING AGAINST AN OPPOSITE INNER END OF SAID LATCHING PIN RETAINING SAID PIN IN LATCHED POSITION IN SAID GROOVE, AND ADJUSTABLE RESILIENT MEANS BIASING SAID STEM AND AND DISC INTO PORT CLOSURE POSITION WTH SAID VALVE STEM SHOULDER SECURING SAID LATCHING PIN IN LATCHED POSITION, SAID RESILIENT MEANS BEING EXPANDABLE BY DIFFERENTIAL PRESSURE ON SAID DISC AND BELLOWS ACROSS SAID PORT TO RESILIENTLY LOWER SAID STEM AND SHOULDER, TO RELEASE SAID LATCHING PIN FOR RADIAL RECIPROCATION FROM LATCHED POSITION TO RELEASE AND LOWER SAID DISC FROM ITS PORT CLOSURE POSITION.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |