Trademark Overview
On Thursday, November 14, 1957, a trademark application was filed for DORR OLIVER with the United States Patent and Trademark Office. The USPTO has given the DORR OLIVER trademark a serial number of 72040669. The federal status of this trademark filing is EXPIRED as of Saturday, December 23, 2000. This trademark is owned by DORR-OLIVER INCORPORATED. The DORR OLIVER trademark is filed in the Environmental Control Instrument Products category with the following description:
FURNACES OR REACTORS FOR THE TREATMENT OF SOLIDS SUSPENDED IN GASES