US PATENT SUBCLASS 137 / 565.25
.~.~ Hand pump

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
565.01  DF  .~ With pump {11}
565.25.~.~ Hand pump

DEFINITION

Classification: 137/565.25

Hand pump:

(under subclass 565.01) Subject matter wherein the device or machine for supplying energy is operated manually. [figure] [caption]Figure 1: A typical example of the subject matter. A - Pump chamber; B - Plunger; C - Handle.

SEE OR SEARCH CLASS

417, Pumps,

374, for a manual actuation of pump with an additional motor drive and subclass 425 for a separate manual and motor driven pumping member.