DIFF Subgroup
G07D 7/004 using digital security elements, e.g. information coded on a magnetic thread or strip
Introduced: January 2016
Full Title
Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency > using digital security elements, e.g. information coded on a magnetic thread or strip
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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- G07D 7/0047 using checkcodes, e.g. coded numbers derived from serial number and denomination since 2016 IPC+CPC Available in IPC and CPC