Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G06K 21/06

Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting > Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

CPC:

Information retrieval from punched cards designed for manual use or handling by machine (G06K19/00 takes precedence; detection or correction of errors by rescanning patterns G06V10/98; checking correct operation of card-conveying mechanisms G06K13/06); Apparatus for handling such cards, e.g. marking or correcting > Apparatus or tools adapted for slotting or otherwise marking information-retrieval cards

No child classifications to compare. This is a leaf node in both IPC and CPC.