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Class Information
Number: 434/85
Name: Education and demonstration > Visual art or craft, artistic adornment, or color training or demonstration > Drawing
Description: Subject matter involving production of a likeness or impression by making lines on a surface.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4887968 |
Electronic sketching device |
Dec. 19, 1989 |
| 4865547 |
Sketching device |
Sep. 12, 1989 |
| 4793810 |
Interactive instructional apparatus and method |
Dec. 27, 1988 |
| 4740161 |
Educational toy for stimulating writing |
Apr. 26, 1988 |
| 4696706 |
Method of using logic design adhesive symbols |
Sep. 29, 1987 |
| 4669984 |
Light dot matrix game assembly |
Jun. 2, 1987 |
| 4633416 |
Video image creation system which simulates drafting tool |
Dec. 30, 1986 |
| 4611994 |
Artist's sketching device |
Sep. 16, 1986 |
| 4464118 |
Didactic device to improve penmanship and drawing skills |
Aug. 7, 1984 |
| 4451985 |
Drawing apparatus |
Jun. 5, 1984 |
| 4439159 |
Sketching aid |
Mar. 27, 1984 |
| 4306868 |
Multi-function instructional and recreational device |
Dec. 22, 1981 |
| 4242396 |
Films of thermoplastics materials having roughened surfaces |
Dec. 30, 1980 |
| 4211018 |
Apparatus and procedure for testing prerequisite skills for reading by use of a dynamic line pattern |
Jul. 8, 1980 |
| 3972133 |
Mahl-stick holder |
Aug. 3, 1976 |
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