with at least two coatings having different compositions (C03C17/44 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: with at least two coatings having different compositions

CPC: with at least two coatings having different compositions (C03C17/44 takes precedence)

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

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)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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C03C 17/3405 CPC only CPC only
C03C 17/3411 +3 CPC CPC only CPC only
C03C 17/36 at least one coating being a metal since 1980 +1 CPC IPC+CPC Available in IPC and CPC
C03C 17/42 at least one coating of an organic material and at least one non-metal coating since 1980 IPC+CPC Available in IPC and CPC