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PCE
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DIFF Subgroup
G11B 17/02

Details

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Guiding record carriers not specifically of filamentary or web form, or of supports therefor > Details

CPC:

Guiding record carriers not specifically of filamentary or web form, or of supports therefor (guiding cards or sheets G06K13/00) > Details

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G11B 17/021 CPC only CPC only
  • G11B 17/038 Centering or locking of a plurality of discs in a single cartridge since 1985 IPC+CPC Available in IPC and CPC