Patent US2736190A successfully refreshed from Google Patents.
US2736190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauge
Assignee: —
•
Filing: —
•
Granted: 1956-02-28
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Expires: 1973-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:17
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A DEVICE FOR DETERMINING THE GAS CONTENT OF A LIQUID CONTAINING THE GAS IN SOLUTION COMPRISING A CONTAINER, A PRESSURE GAUGE AND A TEMPERATURE GAUGE MOUNTED ON SAID CONTAINER, A FLEXIBLE IMPERVIOUS DIAPHRAGM MOUNTED ON SAID CONTAINER FORMIG A MAIN CHAMBER AND AN AUXILIARY CHAMBER HAVING A PREDETERMINED VOLUME RATIO, SAID PRESSURE GAUGE AND TEMPERATURE GAUGE HAVING COMMUNICATION WITH THE INTERIOR OF SAID MAIN CHAMBER, AN INLET TO SAID MAIN CHAMBER FOR FILLING SAID MAIN CHAMBER WITH THE LIQUID TO BE TESTED, AN OUTLET TO SAID CHAMBER FOR REMOVING THE LIQUID FROM SAID CHAMBER DURING THE PRELIMINARY PURGING OF SAID MAIN CHAMBER, MEANS FOR MAINTAINING SAID DIAPHRAGM IN FIXED POSITION DURING THE FILLING OF SAID MAIN CHAMBER WITH THE LIQUID TO BE TESTED AND MEANS FOR RELEASING SAID DIAPHRAGM AFTER THE FILLING OF SAID MAIN CHAMBER TO AUGEMENT THE VOLUME OF SAID MAIN CHAMBER BY SUBSTANTIALLY THE VOLUME OF SAID AUXILIARY CHAMBER.
Claim 2
Independent Claim
152 words
A DEVICE FOR DETERMINING THE GAS CONTENT OF A LIQUID CONTAINING THE GAS IN SOLUTION COMPRISING A CONTAINER, A PRESSURE GAUGE AND A TEMPERATURE GAUGE MOUNTED ON SAID CONTAINER, A FLEXIBLE IMPERVIOUS DIAPHRAGM MOUNTED ON SAID CONTAINER FORMIG A MAIN CHAMBER AND AN AUXILIARY CHAMBER HAVING A PREDETERMINED VOLUME RATIO, SAID PRESSURE GAUGE AND TEMPERATURE GAUGE HAVING COMMUNICATION WITH THE INTERIOR OF SAID MAIN CHAMBER, AN INLET TO SAID MAIN CHAMBER FOR FILLING SAID MAIN CHAMBER WITH THE LIQUID TO BE TESTED, AN OUTLET TO SAID CHAMBER FOR REMOVING THE LIQUID FROM SAID CHAMBER DURING THE PRELIMINARY PURGING OF SAID MAIN CHAMBER, MEANS FOR MAINTAINING SAID DIAPHRAGM IN FIXED POSITION DURING THE FILLING OF SAID MAIN CHAMBER WITH THE LIQUID TO BE TESTED AND MEANS FOR RELEASING SAID DIAPHRAGM AFTER THE FILLING OF SAID MAIN CHAMBER TO AUGEMENT THE VOLUME OF SAID MAIN CHAMBER BY SUBSTANTIALLY THE VOLUME OF SAID AUXILIARY CHAMBER.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |