DIFF Subgroup
G02B 23/14 Viewfinders (for photographic apparatus G03B13/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Viewfinders
CPC: Viewfinders (for photographic apparatus G03B13/02)
Full Title
Full titles differ between systems:
IPC:
Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > Viewfinders
CPC:
Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > Viewfinders (for photographic apparatus G03B13/02)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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