US PATENT SUBCLASS 73 / 293
.~ With illumination

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


73 /   HD   MEASURING AND TESTING

290 R  DF  LIQUID LEVEL OR DEPTH GAUGE {13}
293.~ With illumination

DEFINITION

Classification: 73/293

(under subclass 290) Liquid level or depth gauges provided with means for illuminating the gauge or its indicating portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

325+, for liquid level gauges equipped with guards or casings but including no source of illumination.

327, for liquid level gauge glasses equipped with reflectors or magnifiers but including no source of illumination.

SEE OR SEARCH CLASS

362, Illumination, particularly 23+, for illuminating means, per se, or combined with a gauge dial of general application.