US PATENT SUBCLASS 172 / 421
.~ Plural ground supports vertically adjustable relative to each other and the frame

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

Internet Version by PATENTEC © 1999      Terms of Use


172 /   HD   EARTH WORKING

395  DF  WITH GROUND SUPPORT VERTICALLY ADJUSTABLE RELATIVE TO FRAME {10}
421.~ Plural ground supports vertically adjustable relative to each other and the frame

DEFINITION

Classification: 172/421

(under subclass 395) Apparatus comprising a plurality of ground supports vertically adjustable relative to the frame which are also vertically adjustable with respect to one another.