US PATENT SUBCLASS 184 / 6.4
.~ With safety or indicating means


Current as of: June, 1999
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184 /   HD   LUBRICATION

6  DF  SYSTEMS {22}
6.4.~ With safety or indicating means


DEFINITION

Classification: 184/6.4

(under subclass 6) Device provided with (1) means to sense a change in the operation of a lubrication system and means responsive to said change to affect the operation of the machine, (2) means to prevent abnormal pressures in a lubricating system or (3) means for indicating the operation of the machine or supply.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

196, for lubrication systems combined with engines.

340, Communications: Electrical,

631, for electric indicator for machine lubricant; and subclasses 679+ for machine condition responsive indicating systems.