G - Physics – 01 – C
Patent
G - Physics
01
C
240/93
G01C 9/32 (2006.01) G01F 23/292 (2006.01)
Patent
CA 1161412
EL Code 227.00 LIQUID LEVEL INDICATOR ABSTRACT OF THE DISCLOSURE An improved liquid level indicator comprising a lens-like transparent head, an elongated transparent stem extending from the head, the stem having an internally reflecting, pointed prism or prism section on its distal end. The present indicator is preferably of a first color and is intended to detect the level of a liquid of a second color, the relationship between the first and second colors being such that the brightness of the indicator is enhanced when it is above the liquid, appearing essentially black when the prismatic end is immersed in the liquid.
376299
Economics Laboratory Inc.
Ridout & Maybee Llp
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