DIFF Subgroup
G07D 7/0047 using checkcodes, e.g. coded numbers derived from serial number and denomination
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 > using checkcodes, e.g. coded numbers derived from serial number and denomination
No child classifications to compare. This is a leaf node in both IPC and CPC.