23 CHEMICAL PROCESS PLANTS, PETROLEUM PROCESS PLANTS, GASOLINE PLANTS, AND PETROLEUM AND GAS REFINERIES
26 PROCESS CONTROL ELECTRONIC EQUIPMENT SUCH AS DIGITAL CONTROLLERS, SPECIAL PURPOSE DIGITAL COMPUTERS, INPUT-OUTPUT COMPUTER PERIPHERAL EQUIPMENT, INTERFACE EQUIPMENT FOR DIGITAL COMPUTERS, AND ALARM CIRCUITS
CONSULTING ENGINEERING RELATING TO PROCESS CONTROL, CHEMICAL AND PETROLEUM REFINING, AND THE LIKE
Trademark Events
Sep 5, 1994
Expired Sec. 9
Nov 28, 1979
Cancelled Section 8-Partial
Apr 16, 1979
Registered - Partial Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.