DIFF Main Group
C03C 17/00 Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
CPC: Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10)
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
CPC:
Surface treatment of glass, not in the form of fibres or filaments, by coating (optical coatings of optical elements G02B1/10)
Of 8 combined children, 6 exist in both systems.
2 codes are CPC-only extensions.
5 shared codes have differing titles between IPC and CPC.
Child Classifications
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- C03C 17/22 with other inorganic material (C03C17/34, C03C17/44 take precedence) +1 CPC IPC+CPC Available in IPC and CPC
- C03C 17/28 with organic material (C03C17/34, C03C17/44 take precedence) IPC+CPC Available in IPC and CPC
- C03C 17/34 with at least two coatings having different compositions (C03C17/44 takes precedence) since 1980 +2 CPC IPC+CPC Available in IPC and CPC