US PATENT SUBCLASS 184 / 27.3
.~.~.~.~ Pump with sight feed

Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
*  DD  .~ Force feed {5}
26  DF  .~.~ Pumps {10}
27.1  DF  .~.~.~ Mechanically operated {3}
27.3.~.~.~.~ Pump with sight feed

DEFINITION

Classification: 184/27.3

Pump with sight feed:

(under subclass 27.1) Device having a transparent portion through which the flow of the lubricant can be viewed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96, for a lubricator sight feed, per se.