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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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SPECIAL DESIGNS OR PICTURES
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Designs or pictures characterised by special or unusual light effects
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B44F 1/02
.
produced by reflected light, e.g. matt surfaces, lustrous surfaces
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B44F 1/04
. .
after passage through surface layers, e.g. pictures with mirrors on the back
B44F 1/045
. . .
{
having mirrors or metallic or reflective layers at the back side
}
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B44F 1/06
.
produced by transmitted light, e.g. transparencies, imitations of glass paintings
B44F 1/063
. .
{
Imitation of leaded light
}
B44F 1/066
. .
{
comprising at least two transparent elements, e.g. sheets, layers( layered products of glass and synthetic resin containing decorations or patterns B32B 17/10247 ; window units comprising two or more parallel glass panes E06B 3/66 )
}
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B44F 1/08
.
characterised by colour effects
B44F 1/10
. .
Changing, amusing, or secret pictures
B44F 1/14
. .
Iridescent effects
Designs characterised by outlines
Designs characterised by irregular areas, e.g. mottled patterns( imitating natural patterns or artistic work B44F 9/00 , B44F 11/00 )
Designs imitating three-dimensional effects
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Designs imitating natural patterns
B44F 9/02
.
wood grain effects
B44F 9/04
.
of stone surfaces, e.g. marble
B44F 9/06
.
of horn, ivory, or meerschaum surfaces
B44F 9/08
.
of crystalline structures, pearl effects, or mother-of-pearl effects
B44F 9/10
.
of metallic or oxidised metallic surfaces
B44F 9/12
.
of leather
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Designs imitating artistic work
B44F 11/02
.
Imitation of pictures, e.g. oil paintings
B44F 11/04
.
Imitation of mosaic or tarsia-work patterns
B44F 11/06
.
Imitation of ceramic patterns
B44F 99/00
Subject matter not provided for in other groups of this subclass
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013