DIFF Subgroup
B29D 11/02 Artificial eyes from organic plastic material
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Producing optical elements, e.g. lenses or prisms > Artificial eyes from organic plastic material
CPC:
Producing optical elements, e.g. lenses or prisms (grinding or polishing of optical elements B24B; constructional form of optical elements G02B; ) > Artificial eyes from organic plastic material
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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