for mirrors

Introduced: January 1990

Full Title

Mountings, adjusting means, or light-tight connections, for optical elements > for prisms; for mirrors > for mirrors

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1990.

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G02B 7/1821 CPC only CPC only
G02B 7/1822 +2 CPC CPC only CPC only
G02B 7/183 specially adapted for very large mirrors, e.g. for astronomy, since 1995 IPC+CPC Available in IPC and CPC
G02B 7/185 with means for adjusting the shape of the mirror surface since 1990 IPC+CPC Available in IPC and CPC
G02B 7/192 with means for minimising internal mirror stresses since 1990 IPC+CPC Available in IPC and CPC
G02B 7/198 with means for adjusting the mirror relative to its support since 1990 IPC+CPC Available in IPC and CPC

Class G02,2013–2023, worldwide · Source: EPO PATSTAT

Class G02,2013–2023, worldwide · Source: EPO PATSTAT