US PATENT SUBCLASS 138 / 92
.~ Lateral opening

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

Internet Version by PATENTEC © 1999      Terms of Use


138 /   HD   PIPES AND TUBULAR CONDUITS

89  DF  WITH CLOSURES AND PLUGS {7}
92.~ Lateral opening

DEFINITION

Classification: 138/92

(under subclass 89) Closures and plugs designed to close an

opening in the side of a pipe.