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Class Information
Number: 434/92
Name: Education and demonstration > Visual art or craft, artistic adornment, or color training or demonstration > Drawing > Orthogonal projection
Description: Subject matter relating to drawing an object by projecting lines representing its shape onto mutually perpendicular planes.

Patents under this class:

Patent Number Title Of Patent Date Issued
7088360 Simplified identifier generation in a computer aided design (CAD) environment Aug. 8, 2006
6804389 Image forming apparatus Oct. 12, 2004
5720615 Educational device for aiding in the projection of views of an object Feb. 24, 1998
5492472 Apparatus for teaching mechanical drawing skills Feb. 20, 1996
4788059 Equine strangles vaccine and the method of preparing and using the same Nov. 29, 1988
4451519 Drawing material backing for making technical and diagrammatic drawings May. 29, 1984

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