US PATENT SUBCLASS 366 / 176.3
.~.~ Piston pump
Current as of:
June, 1999
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366 /
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AGITATING
150.1
DF
HAVING SPECIFIED FEED MEANS
{16}
176.1
DF
.~ Pump forces material through restriction (e.g., static emulsifier) {2}
176.3
.~.~ Piston pump {1}
176.4
DF
.~.~.~
> Adjustable pressure regulator
DEFINITION
Classification: 366/176.3
Piston pump:
(under subclass 176.1) Subject matter wherein the pump includes a movable piston that forces the material to move.
SEE OR SEARCH THIS CLASS, SUBCLASS:
160.4, for a mixing apparatus having a piston pump for feeding material to a mixing chamber.