Viewing rod for determining the level of liquid within a recepta

Details Viewing rod for determining the level of liquid within a recepta Viewing rod for determining the level of liquid within a recepta

1978-11-20

1980-05-06

Yasich, Daniel M.

Measuring and testing

Liquid level or depth gauge

Sight glass

116227, 350 962, G01F 2302

Patent

active

042010861

ABSTRACT:
A viewing rod in which a visual change in color at the transmitting end of the rod indicates that the level of the liquid within a receptacle has reached the transmitting end.

REFERENCES:
patent: 1883971 (1932-10-01), Kryzanowsky
patent: 2301460 (1942-11-01), Sauer
patent: 2484329 (1949-10-01), Angel et al.
patent: 2943530 (1960-07-01), Nagel
patent: 3319597 (1967-05-01), Schnitzius et al.
patent: 3367184 (1968-02-01), McHugh
patent: 3570311 (1971-03-01), Nelson
patent: 3675483 (1972-07-01), David
patent: 3796098 (1974-03-01), Trayer

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