Liquid mixture indicator for rug shampoo apparatus

Measuring and testing – Liquid level or depth gauge – Float

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Details

73315, 141 95, 222157, G01F 2308

Patent

active

040517276

ABSTRACT:
An indicator mounted on a receptacle for determining the proportion of the liquid mixture components in the receptacle of a liquid dispensing apparatus, such as a rug or carpet shampoo device. Even if the receptacle is partly filled with a liquid mixture, the present indicator shows the correct amount to be added to each of the components to thereby fill the receptacle to a given level.

REFERENCES:
patent: RE14314 (1917-06-01), Flegel
patent: 1394611 (1921-10-01), Delich
patent: 2296169 (1942-09-01), Linebarger
patent: 2859724 (1958-11-01), Cronin et al.
patent: 3340736 (1967-09-01), Suematsu
patent: 3359800 (1967-12-01), Heil

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