Mark Identification

THE ELECTRIC BLACKBOARD

Serial Number

73359073

Filing Date

Apr 9, 1982

Registration Date

Jan 10, 1984

Trademark by

BLACKBOARD INC.

Classification Information

Computer Software Program which Permits the User to Call Up and Display a Plurality of Files Simultaneously on a Plurality of "Windows" on a Single CRT, Wherein Said Windows can Be Horizontally and/or Vertically Displaced, Wherein Text can Be Moved from One Window to Another and Wherein Said Program Permits One to Make Drawings and Create Command Files

Electrical and Scientific Apparatus