Trademark Overview
On Saturday, May 21, 1949, a trademark application was filed for HI-FLEX with the United States Patent and Trademark Office. The USPTO has given the HI-FLEX trademark a serial number of 71579294. The federal status of this trademark filing is EXPIRED as of Monday, February 21, 1994. This trademark is owned by REED ROLLER BIT COMPANY. The HI-FLEX trademark is filed in the Machinery Products category with the following description:
SCREW THREADS AND THREADED MEMBERS, SUCH AS JOINTS FOR DRILL PIPE CARRYING DRILLING BITS AND CORE-TAKING EQUIPMENT, SUBS, REDUCING SUBSTITUTES, DRILL COLLARS, AND SIMILAR THREADED COUPLING ELEMENTS ON EQUIPMENT USED IN DEEP WELL DRILLING