US PATENT SUBCLASS 37 / 404
.~ Combined with subsoiler

Current as of: June, 1999
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37 /   HD   EXCAVATING

403  DF  COMBINED OR CONVERTIBLE {5}
404.~ Combined with subsoiler

DEFINITION

Classification: 37/404

Combined with subsoiler:

(under subclass 403) Apparatus in which the excavator is provided with an earth ripping tooth for ripping or scarifying the earth. [figure] [caption]A - Vehicle; B - Bucket or scoop; C - Digging edge; D - Scarifier teeth

SEE OR SEARCH CLASS

172, Earth Working,

699+, for specifics of a subsoiler; subclasses 784+ and 817 for a subsoiler combined with a scraper.

299, Mining or In Situ Disintegration of Hard Material,

37.1+, and 67 for a hard material disintegrating machine having similar cutter.