US PATENT SUBCLASS 111 / 120
.~ Drilling machines (i.e., furrow opener)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


111 /   HD   PLANTING

118  DF  LIQUID OR GAS SOIL TREATMENT {6}
120.~ Drilling machines (i.e., furrow opener) {5}
121  DF  .~.~> Rotating or orbiting opener {1}
123  DF  .~.~> Chisel opener
124  DF  .~.~> Shoe opener
125  DF  .~.~> Runner opener
126  DF  .~.~> Moldboard opener

DEFINITION

Classification: 111/120

Drilling machine (i.e., furrow opener):

(under subclass 118) Apparatus further including a device adapted to be drawn through the soil to open a long, shallow, narrow trench therein into or about which the liquid or gas treatment is applied.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14+, for drilling machines for seed planting.

109+, for drilling machines for plant setting.

SEE OR SEARCH CLASS

47, Plant Husbandry,

9, for vertical mulchers having plow openers. 172, Earth Working,

681+, for a specific type of earth-working tool.

405, Hydraulic and Earth Engineering,

154+, for machines which lay pipe, cable, or the like behind furrow openers.