Mark Identification
DUPLEX-50
Serial Number
73064534
Filing Date
Sep 29, 1975
Registration Date
Sep 28, 1976
Trademark by
Classification Information
PRE-INSULATED DUAL PIPING SYSTEMS, CONSISTING OF TWO FLUID CARRIER PIPES PREDOMINANTLY OF METAL AND ALSO PLASTIC WITHIN AN INSULATING LAYER AND A JACKET OF PLASTIC OR METAL
Metal Goods