US PATENT SUBCLASS 73 / 866.3
DISPLAY OR DISPLAY DEVICE DETAILS

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

866.3DISPLAY OR DISPLAY DEVICE DETAILS

DEFINITION

Classification: 73/866.3

DISPLAY OR DISPLAY DEVICE DETAILS:

(under the class definition) Subject matter including means which indicate a quantity of measurement or aids in the observation thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

178, for navigation devices many of which indicate a plurality of conditions.

291, for liquid level gauges combined with other measuring devices.

336, for hygrometers combined with other measuring devices.

714, for pressure gauges combined with other measuring devices.

SEE OR SEARCH CLASS

116, Signals and Indicators, 280, for diverse indicators, per se.

340, Communications: Electrical, for electrical indicators, per se.

374, Thermal Measuring and Testing,

142+, for the thermometers combined with other measuring devices.