Descriptions for B43L and notes/indexes are displayed on this screen.


Note(s)
This subclass does not cover devices used for both teaching and facilitating writing or drawing, which are covered by group G09B 11/00 [3]

Subclass indexes

ARTICLES FOR WRITING OR DRAWING UPON

Boards or tablets

1/00

Underlays

3/00

Drawing-boards

5/00

AIDS FOR DRAWING

Straight lines

7/00

Circles

9/00

Other curves

11/00

Means to prevent slippage

12/00

Other figures

13/00

ATTACHMENT TO HANDS OR ARMS

15/00

BLOTTERS

17/00

ACCESSORIES FOR

Rubbing or erasing

19/00

Cleaning blackboards or slates

21/00

Sharpening pencils or leads

23/00

INK RECEPTACLES; INK STANDS

25/00; 27/00