Resources Contact Us Home
Browse by Category: Main > Business
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

  Recently Added Patents
Fluid conduit with PTC fabric heating
Method for fabricating solar cell
Electronic device, display, image processing apparatus and electronic calculating apparatus
Image processing device, image forming apparatus, and non-transitory computer readable recording medium
System and method for employing signoff-quality timing analysis information concurrently in multiple scenarios to reduce dynamic power in an electronic circuit and an apparatus incorporating t
Aqueous flowable concentrate compositions of a microencapsulated dinitroaniline herbicide
Plasma doping method and plasma doping apparatus
  Randomly Featured Patents
Method of hindering the propagation of a computer virus
Injection molding method with surface modification
Device for purifying exhaust gas of an internal combustion engine
Compositions and methods for the therapy and diagnosis of breast cancer
Claw pole type synchronous motor
AM-FM-cellular telephone multiband antenna for motor vehicle
Process for polymerizing an aromatic vinyl compound and a catalyst therefor
Positive resist composition and method of forming resist pattern
Complex probe card for testing a semiconductor wafer
Three-dimensional perfumed seal