Patent US3122920A successfully refreshed from Google Patents.
US3122920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
murphey
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:04
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/36; G01F3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A LIQUID METER COMPRISING A MEASURING TANK WITH A VALVE-CONTROLLED INLET AT THE TOP THEREOF AND A VALVECONTROLLED OUTLET AT THE BOTTOM THEREOF, CONNECTED TO A GAS-LIQUID SEPARATOR BY MEANS OF A LIQUID CONDUIT EXTENDING FROM THE BOTTOM OF SAID SEPARATOR TO SAID TANK AND A PRESSURE-EQUALIZATION CONDUIT CONNECTING THE UPPER PORTION OF SAID SEPARATOR TO THE TOP OF A FLOAT CHAMBER MOUNTED ABOVE SAID TANK AND IN FLUID COMMUNICATION THEREWITH, A FLOAT IN SAID CHAMBER, MEANS ACTUATED BY SAID FLOAT FOR OPENING THE OUTLET VALVE AND CLOSING THE INLET VALVE WHEN SAID TANK IS FILLED WITH LIQUID, AND MEANS FOR CLOSING THE OUTLET VALVE AND OPENING THE INLET VALVE WHEN SAID TANK
Claim 2
Dependent Claim
114 words
IN A LIQUID METER COMPRISING A MEASURING TANK WITH A VALVE-CONTROLLED INLET AT THE TOP THEREOF AND A VALVECONTROLLED OUTLET AT THE BOTTOM THEREOF, CONNECTED TO A GAS-LIQUID SEPARATOR BY MEANS OF A LIQUID CONDUIT EXTENDING FROM THE BOTTOM OF SAID SEPARATOR TO SAID TANK AND A PRESSURE-EQUALIZATION CONDUIT CONNECTING THE UPPER PORTION OF SAID SEPARATOR TO THE TOP OF A FLOAT CHAMBER MOUNTED ABOVE SAID TANK AND IN FLUID COMMUNICATION THEREWITH, A FLOAT IN SAID CHAMBER, MEANS ACTUATED BY SAID FLOAT FOR OPENING THE OUTLET VALVE AND CLOSING THE INLET VALVE WHEN SAID TANK IS FILLED WITH LIQUID, AND MEANS FOR CLOSING THE OUTLET VALVE AND OPENING THE INLET VALVE WHEN SAID TANK
References Cited (Backward Citations)
DE394877C
Cited
US826221A
Cited
US966270A
Cited
US1114360A
Cited
US1538214A
Cited
US2158381A
Cited
US2211282A
Cited
US2251086A
Cited
US2876641A
Cited
US2872817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |