US PATENT SUBCLASS 425 / 180
.~ Three part flask

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

Internet Version by PATENTEC © 1999      Terms of Use


425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

175  DF  MEANS FORMING A MOLD; OR FLASK, PER SE {5}
180.~ Three part flask

DEFINITION

Classification: 425/180

(under subclass 175) Apparatus wherein the internal walls of a container confining the mold forming material are made up of at least three parts.