US3237637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas pressure controlled relief devices
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1962-09-07
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Granted: 1966-03-01
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Expires: 1982-09-07
Abstract
No abstract record available.
Inventors
- 👤 Ainsworth Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:36
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/08; F16K13/10; F16K17/00; F16K17/18; F16K17/19; F16K17/192; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A GAS PRESSURE CONTROLLED RELIEF VALVE DEVICE COMPRISING A CASING ADAPTED FOR COMMUNICATION WITH A REFERENCE PRESSURE SOURCE, A DIP TUBE PENETRATING THE CASING AND ADAPTED EXTERNALLY OF THE CASING FOR COMMUNICATION WITH A GAS PRESSURE TO BE CONTROLLED, AN OPEN-TOPPED FIRST LIQUID RECEPTACLE DISPOSED WITHIN THE CASING SUCH THAT AN END OF THE DIP TUBE EXTENDS INTO SUCH RECEPTACLE, A LIQUID IN THE CASING FOR EFFECTING A LIQUID SEAL IN THE FIRST RECEPTACLE, A LIQUID COLLECTOR, MEANS FOR EFFECTING DIS-
Claim 2
Dependent Claim
81 words
A GAS PRESSURE CONTROLLED RELIEF VALVE DEVICE COMPRISING A CASING ADAPTED FOR COMMUNICATION WITH A REFERENCE PRESSURE SOURCE, A DIP TUBE PENETRATING THE CASING AND ADAPTED EXTERNALLY OF THE CASING FOR COMMUNICATION WITH A GAS PRESSURE TO BE CONTROLLED, AN OPEN-TOPPED FIRST LIQUID RECEPTACLE DISPOSED WITHIN THE CASING SUCH THAT AN END OF THE DIP TUBE EXTENDS INTO SUCH RECEPTACLE, A LIQUID IN THE CASING FOR EFFECTING A LIQUID SEAL IN THE FIRST RECEPTACLE, A LIQUID COLLECTOR, MEANS FOR EFFECTING DIS-
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |