Patent US2407377A successfully refreshed from Google Patents.
Patent US3126740A successfully refreshed from Google Patents.
US3126740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Main oil
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:48
CPC Classifications
G; G01; G01F; G01F3/00; G01F3/02; G01F3/04; G01F3/14; G01F3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A FLUID METER, A CYLINDER, FIRST AND SECOND AXIALLY SPACED PORTS IN SAID CYLINDER, A PISTON MOVABLE IN SAID CYLINDER BETWEEN SAID PORTS, A PISTON ROD CONNECTED TO SAID PISTON AND EXTENDING OUT OF ONE END OF SAID CYLINDER, A VALVE HAVING A BODY AND INLET PORT ALTERNATELY CONNECTABLE IN FLUID COMMUNICATION WITH SAID CYLINDER PORTS, A SOURCE OF PRESSURIZED FLUID, A FLUID INLET CONDUIT CONNECTING SAID INLET PORT TO SAID SOURCE OF FLUID, A SLIDABLE VALVE STEM IN SAID VALVE BODY FORMING TWO EXHAUST PORTS EACH ALTERNATELY ALIGNABLE WITH ONLY ONE OF SAID CYLINDER PORTS, A STOP ROD CARRIED BY SAID EXTENDING PISTON ROD, SAID ROD HAVING A MOVABLE STOP THEREON AND MEANS BIASING SAID STOP BETWEEN FIRST AND SECOND POSITIONS, MEANS CONNECTING SAID STOP TO SAID SLIDABLE VALVE STEM, AND A PIVOTED STOP LEVER ENGAGEABLE BY SAID SLIDABLE STOP OF SAID STOP ROD.
Claim 2
Dependent Claim
146 words
IN A FLUID METER, A CYLINDER, FIRST AND SECOND AXIALLY SPACED PORTS IN SAID CYLINDER, A PISTON MOVABLE IN SAID CYLINDER BETWEEN SAID PORTS, A PISTON ROD CONNECTED TO SAID PISTON AND EXTENDING OUT OF ONE END OF SAID CYLINDER, A VALVE HAVING A BODY AND INLET PORT ALTERNATELY CONNECTABLE IN FLUID COMMUNICATION WITH SAID CYLINDER PORTS, A SOURCE OF PRESSURIZED FLUID, A FLUID INLET CONDUIT CONNECTING SAID INLET PORT TO SAID SOURCE OF FLUID, A SLIDABLE VALVE STEM IN SAID VALVE BODY FORMING TWO EXHAUST PORTS EACH ALTERNATELY ALIGNABLE WITH ONLY ONE OF SAID CYLINDER PORTS, A STOP ROD CARRIED BY SAID EXTENDING PISTON ROD, SAID ROD HAVING A MOVABLE STOP THEREON AND MEANS BIASING SAID STOP BETWEEN FIRST AND SECOND POSITIONS, MEANS CONNECTING SAID STOP TO SAID SLIDABLE VALVE STEM, AND A PIVOTED STOP LEVER ENGAGEABLE BY SAID SLIDABLE STOP OF SAID STOP ROD.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |