Trademark Overview
On Wednesday, January 22, 1964, a trademark application was filed for WELSBACH with the United States Patent and Trademark Office. The USPTO has given the WELSBACH trademark a serial number of 72185174. The federal status of this trademark filing is EXPIRED as of Friday, April 25, 1986. This trademark is owned by WELSBACH CORPORATION, THE. The WELSBACH trademark is filed in the Environmental Control Instrument Products category with the following description:
INCANDESCENT MANTLES FOR GAS LAMPS AND GAS LAMPS