DIFF Subgroup
G02B 9/34 having four components only
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or – > having four components only
CPC:
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - (G02B15/00 takes precedence) > having four components only
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
Child Classifications
Navigate with arrow keys, Enter to open