DIFF Subgroup
G02C 7/16 Shades; shields; Obturators, e.g. with pinhole, with slot
Introduced: September 1968
Title
Titles differ between systems:
IPC: Shades, shields; Obturators, e.g. with pinhole, with slot
CPC: Shades; shields; Obturators, e.g. with pinhole, with slot
Full Title
Full titles differ between systems:
IPC:
Optical parts > Shades, shields; Obturators, e.g. with pinhole, with slot
CPC:
Optical parts (characterised by the material G02B1/00) > Shades; shields; Obturators, e.g. with pinhole, with slot
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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