Symbol Origin— Symbols and Dates established


Last updated
Tuesday April 30, 2024
Maintained by
OIPC/Classification Standards and Development

The following is a list of all symbols which were added to the CPC Scheme. If available, the corresponding Project information is provided for the symbol. Please refer to the CPC Notices of Changes for additional information regarding changes to the Scheme, Definition, and Concordance.

Refer to the List of Deleted Symbols for all symbols which were added to the Scheme.

Note: In exceptional circumstances, symbol numbers may have been reused.


Version: 2024.05

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Symbol Date Established Project / NoC
A61K 36/0712024.05RP11670 / 1552
A61K 36/0782024.05RP11670 / 1552
A61K 36/3482024.05RP11670 / 1552
A61K 36/34822024.05RP11670 / 1552
A61K 36/34862024.05RP11670 / 1552
A61K 36/5772024.05RP11670 / 1552
A61K 36/57752024.05RP11670 / 1552
A61K 36/57772024.05RP11670 / 1552
A61K 36/7422024.05RP11670 / 1552
B23D 47/1282024.05RP10457 / 1616
B23D 47/1322024.05RP10457 / 1616
B23D 49/0122024.05RP10457 / 1616
B23D 49/0132024.05RP10457 / 1616
B23D 49/2112024.05RP10457 / 1616
B23D 51/0262024.05RP10457 / 1616
B23D 51/0272024.05RP10457 / 1616
B23D 51/0282024.05RP10457 / 1616
B23D 51/0292024.05RP10457 / 1616
B23D 51/1612024.05RP10457 / 1616
B23D 51/16152024.05RP10457 / 1616
B23D 51/1622024.05RP10457 / 1616
B23D 53/00512024.05RP10457 / 1616
B23D 53/00522024.05RP10457 / 1616
B23D 53/00542024.05RP10457 / 1616
B23D 53/00562024.05RP10457 / 1616
B23D 53/00582024.05RP10457 / 1616
B23D 53/0282024.05RP10457 / 1616
B23D 53/0492024.05RP10457 / 1616
B23D 55/0892024.05RP10457 / 1616
B23D 55/1022024.05RP10457 / 1616
B23D 55/1042024.05RP10457 / 1616
B23D 55/1222024.05RP10457 / 1616
B23D 59/00622024.05RP10457 / 1616
B23D 59/00642024.05RP10457 / 1616
B23D 61/02122024.05RP10457 / 1616
B23D 61/02142024.05RP10457 / 1616
B23D 61/0222024.05RP10457 / 1616
B23D 61/02252024.05RP10457 / 1616
B23D 61/0272024.05RP10457 / 1616
B23D 61/02752024.05RP10457 / 1616
B23D 61/0712024.05RP10457 / 1616
B23D 61/0752024.05RP10457 / 1616
B23D 61/12122024.05RP10457 / 1616
B23D 61/12142024.05RP10457 / 1616
B23D 61/12162024.05RP10457 / 1616
B23D 61/12172024.05RP10457 / 1616
B23D 61/12182024.05RP10457 / 1616
B23D 61/12192024.05RP10457 / 1616
B23D 61/1242024.05RP10457 / 1616
B23D 61/12452024.05RP10457 / 1616
B23D 61/12652024.05RP10457 / 1616
B23D 61/1712024.05RP10457 / 1616
B23D 61/1752024.05RP10457 / 1616
B23D 63/00552024.05RP10457 / 1616
B23D 63/0282024.05RP10457 / 1616
B23D 63/0422024.05RP10457 / 1616
B23D 63/0442024.05RP10457 / 1616
B23D 63/0462024.05RP10457 / 1616
B23D 63/0722024.05RP10457 / 1616
B23D 65/0452024.05RP10457 / 1616
B27B 5/3812024.05RP10457 / 1616
B27B 13/1412024.05RP10457 / 1616
B27B 17/1422024.05RP10457 / 1616
B27B 17/1442024.05RP10457 / 1616
B27B 17/1462024.05RP10457 / 1616
B27G 19/0082024.05RP10457 / 1616
B27G 19/0222024.05RP10457 / 1616
B27G 19/0252024.05RP10457 / 1616
B27G 19/0282024.05RP10457 / 1616
B41J 2/165022024.05RP11529 / 1614
B41J 2/165072024.05RP11529 / 1614
B41J 2/165142024.05RP11529 / 1614
B41J 2/165292024.05RP11529 / 1614
B41J 2/17282024.05RP11529 / 1614
B41J 2/17352024.05RP11529 / 1614
B41J 2/17422024.05RP11529 / 1614
E05Y 2201/2212024.05RP11845 / 1545
E05Y 2201/4992024.05RP11845 / 1545
E05Y 2400/30132024.05RP11845 / 1545
E05Y 2400/30142024.05RP11845 / 1545
E05Y 2400/30152024.05RP11845 / 1545
E05Y 2400/30162024.05RP11845 / 1545
E05Y 2400/30172024.05RP11845 / 1545
E05Y 2400/3042024.05RP11845 / 1545
E05Y 2400/3062024.05RP11845 / 1545
E05Y 2400/372024.05RP11845 / 1545
E05Y 2400/4462024.05RP11845 / 1545
E05Y 2400/4472024.05RP11845 / 1545
E05Y 2400/4492024.05RP11845 / 1545
E05Y 2400/5282024.05RP11845 / 1545
E05Y 2400/832024.05RP11845 / 1545
E05Y 2400/85052024.05RP11845 / 1545
E05Y 2400/8512024.05RP11845 / 1545
E05Y 2400/85152024.05RP11845 / 1545
E05Y 2600/582024.05RP11845 / 1545
E05Y 2800/132024.05RP11845 / 1545
E05Y 2800/2692024.05RP11845 / 1545
E05Y 2800/302024.05RP11845 / 1545
E05Y 2800/312024.05RP11845 / 1545
E05Y 2800/6832024.05RP11845 / 1545