Mark Identification

PC-SPAN

Serial Number

73798943

Filing Date

May 10, 1989

Registration Date

Jun 2, 1992

Trademark by

CHICAGO MERCANTILE EXCHANGE INC.

Active Trademark

Classification Information

COMPUTER PROGRAMS FOR ANALYSIS OF RISK MARGIN REQUIREMENTS IN FUTURES AND SECURITIES TRADING AND INSTRUCTION MANUALS THEREFOR SOLD WITH SUCH PROGRAMS EXCLUDING MERCHANT BANKING SERVICES

Electrical and Scientific Apparatus