US PATENT SUBCLASS 73 / 865.9
TESTING OF APPARATUS
Current as of: June, 1999
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DEFINITION
Classification: 73/865.9
TESTING OF APPARATUS:
(under the class definition) Subject matter for investigating a tool or machine to determine its proper functioning.
(1) Note. Included here is apparatus for simulation of the normal actuation of the apparatus or simulation of the object or material upon which the apparatus works.
(2) Note. Included here are monitoring devices for machines not otherwise classified.
SEE OR SEARCH THIS CLASS, SUBCLASS:
11.04, for test of shock absorbing apparatus.
52, for test of sealed receptacle.
66+, for test of rotor unbalance.
112+, for power plant or unit efficiency. 116+, for motor or engine testing.
121+, for brake testing.
146, for tire tread or roadway testing.
156, for statistical record verifying.
157, for record strip sprocket hole.
158, for testing hoisting cable.
161, for spring testing.
162, for toothed gear testing.
163, for coin tests.
164, for miner's lamp testing.
167, for ordnance or projectile testing.
168, for blower pump or hydraulic equipment testing. SEE OR SEARCH CLASS
116, Signals and Indicators, for a nonelectrical signalling means or indicating means, per se.
340, Communications: Electrical, for electrical signal of
indicators responsive to a condition of and apparatus.
