US PATENT SUBCLASS 417 / 378
.~.~.~ Pulsator type

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
377  DF  .~.~ Serial flow fluid from pumping chamber through motor working chamber {1}
378.~.~.~ Pulsator type

DEFINITION

Classification: 417/378

(under subclass 377) Apparatus in which the fluid motor is of the pulsator or fluid link type.

(1) Note. For the definition of a pulsator or fluid link see this class, subclass 383.