Mark Identification

OPERATING SYSTEM/600

Serial Number

74000676

Filing Date

Nov 16, 1989

Trademark by

INTERNATIONAL BUSINESS MACHINES CORPORATION

Classification Information

OPERATING SYSTEM SOFTWARE FOR COMPUTERS, AND INSTRUCTION MANUALS SOLD OR DISTRIBUTED THEREWITH

Electrical and Scientific Apparatus

COMPUTER SOFTWARE INSTRUCTION MANUALS FOR USE WITH OPERATING SYSTEM SOFTWARE FOR COMPUTERS

Paper Goods and Printed Matter