Symbol Origin— Symbols and Dates established

Last updated

Monday July 31, 2023

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: 2023.08