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Class Information
Number: 434/102
Name: Education and demonstration > Visual art or craft, artistic adornment, or color training or demonstration > Color display > Produced by superposed color filters
Description: Subject matter including color filters which are disposed in layers to produce a color.

Patents under this class:

Patent Number Title Of Patent Date Issued
6824387 Mirror for checking dyed hair color Nov. 30, 2004
6562468 Method of eliminating and a laminate which eliminates aesthetically unacceptable hues visible through light-colored translucent overlays May. 13, 2003
6067504 Method for correctly identifying hair color May. 23, 2000
5538455 Multi-color baton Jul. 23, 1996
5538455 Multi-color baton Jul. 23, 1996
5275566 Color distinguishing card set Jan. 4, 1994
5180305 Process color separation guide for color transparencies Jan. 19, 1993
4761137 Color coordination cone Aug. 2, 1988
4681546 Personal color analysis method Jul. 21, 1987
4665394 Color selection apparatus May. 12, 1987
4634616 Stencil art overlays Jan. 6, 1987
4399353 Color computer wheel Aug. 16, 1983
4272106 Copy sheet Jun. 9, 1981
4241520 Color calculator Dec. 30, 1980

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