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Class Information
Number: 434/91
Name: Education and demonstration > Visual art or craft, artistic adornment, or color training or demonstration > Drawing > Perspective
Description: Subject matter relating to a drawing which gives the impression that parts thereof are at different distances from the viewer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7513773 |
Method and system for creating true perspective drawings and drawings created by same |
Apr. 7, 2009 |
| 7491060 |
Perspective painting aid assembly |
Feb. 17, 2009 |
| 7481654 |
Artists's grid viewing device and method of use |
Jan. 27, 2009 |
| 6579099 |
Freehand drawing training and guiding device |
Jun. 17, 2003 |
| 5795154 |
Anaglyphic drawing device |
Aug. 18, 1998 |
| 5580250 |
Drawing aid and method for drawing a scene in one place and recreating it in another |
Dec. 3, 1996 |
| 5217376 |
Drawing aid |
Jun. 8, 1993 |
| 5100325 |
Apparatus and method for creating perspective drawings |
Mar. 31, 1992 |
| 4689017 |
Drawings aid for making drawings in perspective |
Aug. 25, 1987 |
| 4500169 |
Cosmetic and observer line of sight mirror |
Feb. 19, 1985 |
| 4498238 |
Transparent perspective tracing board |
Feb. 12, 1985 |
| 4407655 |
Device for simulation of projected image |
Oct. 4, 1983 |
| 4008528 |
Drawing apparatus |
Feb. 22, 1977 |
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