Mark Identification

PRIME TIME MATH

Serial Number

75675876

Filing Date

Apr 2, 1999

Registration Date

Mar 6, 2001

Trademark by

HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY

Classification Information

educational computer software on CD-ROM for use in teaching mathematical concepts to senior elementary students in grades 6 to 8

Electrical and Scientific Apparatus

printed publications namely teacher's study guide for use with computer software on CD-ROM for use in teaching mathematical concepts

Paper Goods and Printed Matter