US PATENT SUBCLASS 111 / 124
.~.~ Shoe opener


Current as of: June, 1999
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111 /   HD   PLANTING

118  DF  LIQUID OR GAS SOIL TREATMENT {6}
120  DF  .~ Drilling machines (i.e., furrow opener) {5}
124.~.~ Shoe opener


DEFINITION

Classification: 111/124

Shoe opener:

(under subclass 120) Apparatus wherein the opening element is symmetrically arranged with respect to the line of draft, has an earth breaking portion, has wing portions extending laterally beyond the sides thereof which form a V-shape when viewed in plan or front elevation, and has a portion extending upwardly from the central portion of the V for attachment to a standard.

SEE OR SEARCH THIS CLASS, SUBCLASS:

152, for a shoe-type opener used with a seed depositor.

SEE OR SEARCH CLASS

172, Earth Working,

724, and 730 for shoe-type openers, per se.