Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2006-03-14
2006-03-14
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
Reexamination Certificate
active
07010985
ABSTRACT:
The gauge comprises concentric inner and outer tubes made of insulating material, with two capacitors each constituted by a set of electrodes, each set having at least one pair of two electrodes in strip form extending along the gauge and placed facing each other on the facing walls of the inner and outer tubes.
REFERENCES:
patent: 2841164 (1958-07-01), Williamson
patent: 2849882 (1958-09-01), Lee
patent: 2998559 (1961-08-01), Smith
patent: 3638491 (1972-02-01), Hart
patent: 4038871 (1977-08-01), Edwards
patent: 29 19 972 (1980-11-01), None
Allen Andre
Intertechnique
Kilpatrick & Stockton LLP
Lefkowitz Edward
Russell Dean W.
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