Inflatable manometers

Measuring and testing – Fluid pressure gauge – U-tube liquid column

Reexamination Certificate

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Details

C073S700000

Reexamination Certificate

active

07000483

ABSTRACT:
An inflatable air cell pressure transducer. The air cell has a concavity formed therein. The concavity has two edges, wherein increased pressure within the air cell causes contraction of the concavity moving the two edges closer.

REFERENCES:
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patent: 4217784 (1980-08-01), Neubeck et al.
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patent: 4420981 (1983-12-01), Schoen
patent: 4785669 (1988-11-01), Benson et al.
patent: 4881400 (1989-11-01), Goodman et al.
patent: 4991590 (1991-02-01), Shi
patent: 5490514 (1996-02-01), Rosenberg

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