DIFF Subgroup
G02B 23/10 reflecting into the field of view additional indications, e.g. from collimator
Introduced: September 1968
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 > involving prisms or mirrors > reflecting into the field of view additional indications, e.g. from collimator
CPC:
Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > involving prisms or mirrors (G02B23/14 takes precedence) > reflecting into the field of view additional indications, e.g. from collimator
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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