US PATENT SUBCLASS 37 / 370
.~.~ Mole plow
Current as of: June, 1999
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DEFINITION
Classification: 37/370
Mole plow:
(under subclass 366) Apparatus including a shoe (e.g.,
conical, pyramidal, wedge shaped) especially adapted for forming a continuous tunnel or small covered passage through the earth. [figure] [caption]A - Vehicle; B - Plow support; C - Mole plow assembly
(1) Note. Included herein is a device for forming a subterranean passage for draining purposes. Its action upon the earth in forming a passage is such as to densely compress the sides and top of the passage.
SEE OR SEARCH CLASS
111, Planting,
123, for a chisel opener or furrow opener used for liquid or gas soil treatment.
172, Earth Working,
699+, for an earth working implement specifically disclosed as working deep in the soil. 405, Hydraulic and Earth Engineering,
180+, wherein the apparatus for placing the string or conduit below the surface includes a plowlike digging tool for forming a trench.
