DIFF Subgroup
C03C 17/36 at least one coating being a metal
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating > with at least two coatings having different compositions > at least one coating being a metal
CPC:
Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10) > with at least two coatings having different compositions (C03C17/44 takes precedence) > at least one coating being a metal
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 1980.
Child Classifications
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- C03C 17/38 at least one coating being a coating of an organic material since 1980 IPC+CPC Available in IPC and CPC