Electronic blackboard

Description

1. Electronic blackboard

1.1 : Perspective

1.2 : Front

1.3 : Back

1.4 : Left

1.5 : Right

1.6 : Top

1.7 : Bottom

1.8 : Reference

The parallel fine lines and curves shown in all the drawings indicate the relief of surface of the product; the broken lines indicate unclaimed portion of the article that form no part of the claimed design.

Claims

The ornamental design for an electronic blackboard, as shown and described.