US PATENT SUBCLASS 33 / 625
.~.~.~ Trenching tool depth


Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
613  DF  .~ Collocating {14}
624  DF  .~.~ Earth contacting or working {1}
625.~.~.~ Trenching tool depth


DEFINITION

Classification: 33/625

Trenching tool depth:

(under subclass 624) Subject matter wherein the tool is a ditch digger and having means to gauge the depth of the digging tool in the earth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

624, for collocating gauges for earth moving equipment used in construction or in agriculture.

SEE OR SEARCH CLASS

37, Excavating,

350+, 353+, and 366+ for ditchers of the screw, endless bucket or plow type.