Patent Classification Explorer PCE

DIFF Subgroup

G02B 17/08

Catadioptric systems

Introduced: September 1968

Full Title

Systems with reflecting surfaces, with or without refracting elements > Catadioptric systems

Of 9 combined children, 0 exist in both systems.

9 codes are CPC-only extensions.

Child Classifications

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G02B 17/0804 +3 CPC CPC only CPC only
G02B 17/082 +3 CPC CPC only CPC only
G02B 17/0836 +3 CPC CPC only CPC only
G02B 17/0852 CPC only CPC only
G02B 17/0856 +1 CPC CPC only CPC only
G02B 17/0864 +2 CPC CPC only CPC only
G02B 17/0884 +1 CPC CPC only CPC only
G02B 17/0892 CPC only CPC only
G02B 17/0896 CPC only CPC only