US PATENT SUBCLASS 72 / 389.7
.~.~.~.~ Manually pumped (e.g., by use of a hydraulic jack)

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

380  DF  BY RELATIVELY MOVABLE OFFSET TOOL-FACES (E.G., FOR BENDING OR DRAWING) {4}
386  DF  .~ With tool motion in fixed path {3}
389.1  DF  .~.~ Between and co-planar with opposed tools {8}
389.6  DF  .~.~.~ Fluid pressure actuated (i.e., hydraulically or pneumatically actuated) {2}
389.7.~.~.~.~ Manually pumped (e.g., by use of a hydraulic jack)

DEFINITION

Classification: 72/389.7

Manually pumped (e.g., by use of a hydraulic jack):

(under subclass 389.6) Device including a mechanism for transmitting energy to the fluid pressure actuating device directly from the user.