US PATENT SUBCLASS 172 / 377
.~.~ Channel type

Current as of: June, 1999
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172 /   HD   EARTH WORKING

329  DF  GUIDED BY WALKING ATTENDANT; SUPPORTED, PROPELLED, OR HELD IN POSITION BY ATTENDANT {7}
371  DF  .~ Hand tool {6}
377.~.~ Channel type

DEFINITION

Classification: 172/377

(under subclass 371) Apparatus wherein the earth working means is in the form of a U-shaped scoop or channel open at both ends and adapted to be operated in the direction of the longitudinal axis of the channel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13+, for channel-type hand tools for edging along lawns or sidewalks.