US PATENT SUBCLASS 172 / 745
.~ Welded


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

681  DF  TOOL, STANDARD OR CONNECTION {32}
745.~ Welded


DEFINITION

Classification: 172/745

(under subclass 681) Apparatus in which parts of the apparatus are connected by heating the parts to a plastic of fluid state and allowing the metals to flow together with or without addition of other molten metal.

(1) Note. This subclass includes depositing weld material on a part of the apparatus as, for example, to replace a worn portion.