List of Deleted Symbols


Last updated
Monday May 3, 2021
Maintained by
OIPC/Classification Standards and Development

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

Refer to the Symbol Origin list for all symbols which were added to the Scheme.

Note: In exceptional circumstances, symbol numbers may be reused.


Version: 2021.05

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Symbol Date Deleted Project / NoC
A01B 45/042018.02RP0485 / 472
A01B 45/0452018.02RP0485 / 472
A01D 45/0052018.02RP0485 / 472
A01G 1/002018.02RP0485 / 472
A01G 1/0012018.02RP0485 / 472
A01G 1/0022018.02RP0485 / 472
A01G 1/0042018.02RP0485 / 472
A01G 1/0052018.02RP0485 / 472
A01G 1/0072018.02RP0485 / 472
A01G 2001/0082018.02RP0485 / 472
A01G 1/022018.02RP0485 / 472
A01G 1/042018.02RP0485 / 472
A01G 1/0422018.02RP0485 / 472
A01G 1/0442018.02RP0485 / 472
A01G 1/0462018.02RP0485 / 472
A01G 1/0482018.02RP0485 / 472
A01G 1/062018.02RP0485 / 472
A01G 2001/0652018.02RP0485 / 472
A01G 1/082018.02RP0485 / 472
A01G 1/122018.02RP0485 / 472
A01G 1/1252018.02RP0485 / 472
A01G 3/02532015.01RP0119 / 59
A01G 3/02562015.01RP0119 / 59
A01G 3/02582015.01RP0119 / 59
A01G 9/102018.02RP0485 / 472
A01G 9/10062018.02RP0485 / 472
A01G 9/10132018.02RP0485 / 472
A01G 9/1022018.02RP0485 / 472
A01G 9/10262018.02RP0485 / 472
A01G 9/10332018.02RP0485 / 472
A01G 9/1042018.02RP0485 / 472
A01G 2009/10462018.02RP0485 / 472
A01G 2009/10532018.02RP0485 / 472
A01G 2009/1062018.02RP0485 / 472
A01G 9/10662018.02RP0485 / 472
A01G 9/10732018.02RP0485 / 472
A01G 9/1082018.02RP0485 / 472
A01G 9/10862018.02RP0485 / 472
A01G 2009/10932018.02RP0485 / 472
A01G 2013/0022019.05RP0221 / 688
A01G 16/002018.02RP0485 / 472
A01G 31/0012018.02RP0485 / 472
A01G 2031/0022018.02RP0485 / 472
A01G 2031/0032018.02RP0485 / 472
A01G 2031/0052018.02RP0485 / 472
A01G 2031/0072018.02RP0485 / 472
A01G 2031/0082018.02RP0485 / 472
A01H 1/0252021.01RP0174 / 1017
A01H 5/02052018.05RP0484 / 501
A01H 5/02112018.05RP0484 / 501
A01H 5/02162018.05RP0484 / 501
A01H 5/02222018.05RP0484 / 501
A01H 5/02272018.05RP0484 / 501
A01H 5/02332018.05RP0484 / 501
A01H 5/02382018.05RP0484 / 501
A01H 5/02442018.05RP0484 / 501
A01H 5/0252018.05RP0484 / 501
A01H 5/02552018.05RP0484 / 501
A01H 5/02612018.05RP0484 / 501
A01H 5/02662018.05RP0484 / 501
A01H 5/02722018.05RP0484 / 501
A01H 5/02772018.05RP0484 / 501
A01H 5/02832018.05RP0484 / 501
A01H 5/02882018.05RP0484 / 501
A01H 5/02942018.05RP0484 / 501
A01H 5/08062018.05RP0484 / 501
A01H 5/08122018.05RP0484 / 501
A01H 5/08182018.05RP0484 / 501
A01H 5/08252018.05RP0484 / 501
A01H 5/08312018.05RP0484 / 501
A01H 5/08372018.05RP0484 / 501
A01H 5/08432018.05RP0484 / 501
A01H 5/0852018.05RP0484 / 501
A01H 5/08562018.05RP0484 / 501
A01H 5/08622018.05RP0484 / 501
A01H 5/08682018.05RP0484 / 501
A01H 5/08752018.05RP0484 / 501
A01H 5/08812018.05RP0484 / 501
A01H 5/08872018.05RP0484 / 501
A01H 5/08932018.05RP0484 / 501
A01K 61/0012017.01RP0414 / 352
A01K 61/0022017.01RP0414 / 352
A01K 61/0032017.01RP0414 / 352
A01K 61/0052017.01RP0414 / 352
A01K 61/0062017.01RP0414 / 352
A01K 61/0072017.01RP0414 / 352
A01K 61/0082017.01RP0414 / 352
A01K 61/022017.01RP0414 / 352
A01K 61/0252017.01RP0414 / 352
A01N 63/022020.01RP0630 / 791
A01N 63/042020.01RP0630 / 791
A21D 13/00032017.01RP0412 / 355
A21D 13/00062017.01RP0412 / 355
A21D 13/00092017.01RP0412 / 355
A21D 13/00122017.01RP0412 / 355
A21D 13/00162017.01RP0412 / 355
A21D 13/00192017.01RP0412 / 355
A21D 13/00222017.01RP0412 / 355
A21D 13/00252017.01RP0412 / 355
A21D 13/00292017.01RP0412 / 355