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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G02B 3/02

with non-spherical faces (G02B3/10 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with non-spherical faces

CPC: with non-spherical faces (G02B3/10 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Simple or compound lenses > with non-spherical faces

CPC:

Simple or compound lenses > with non-spherical faces (G02B3/10 takes precedence)

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • G02B 3/04 with continuous faces that are rotationally symmetrical but deviate from a true sphere IPC+CPC Available in IPC and CPC
  • G02B 3/06 with cylindrical or toric faces IPC+CPC Available in IPC and CPC
  • G02B 3/08 with discontinuous faces, e.g. Fresnel lens IPC+CPC Available in IPC and CPC