US PATENT SUBCLASS 173 / 209
.~.~ Driven by internal combustion engine


Current as of: June, 1999
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173 /   HD   TOOL DRIVING OR IMPACTING

90  DF  IMPACTING DEVICES (E.G., HAMMERS) {19}
206  DF  .~ Hammer head constitutes piston of drive motor {4}
209.~.~ Driven by internal combustion engine


DEFINITION

Classification: 173/209

Driven by internal combustion engine:

(under subclass 206) Apparatus whereinthe drive motor is powered by a gasoline or diesel piston engine in which fuel is burned within the engine proper.