US PATENT SUBCLASS 405 / 183
.~.~.~ Guide integral with or rigidly fixed to plow

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

154  DF  PIPE OR CABLE LAYING, RETRIEVING, OR UNDERWATER MANIPULATION {6}
174  DF  .~ By means advancing along terrain and guiding pipe or cable into subterranean position {6}
180  DF  .~.~ Including trench forming plow with pipe or cable guide {3}
183.~.~.~ Guide integral with or rigidly fixed to plow

DEFINITION

Classification: 405/183

Guide integral with or rigidly fixed to plow:

(under subclass 180) Method or apparatus wherein the means for restricting lateral movement of the string or conduit is either formed by machining part of the plowlike tool or is comprised of a separate part fastened to the tool in such a manner that it cannot be adjusted or moved relative to the tool.