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PCE
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IPC Main Group
G03G 21/00

Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge

Introduced: July 1974

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
Subclass:
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY

7 direct subcodes

Child Classifications

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  • G03G 21/02 Counting the number of copies; Billing
  • G03G 21/04 Preventing copies being made of an original
  • G03G 21/14 Electronic sequencing control
  • G03G 21/2 Humidity or temperature control