DIFF Main Group
A43D 21/00 Lasting machines
Introduced: September 1968
Of 11 combined children, 9 exist in both systems.
2 codes are CPC-only extensions.
4 shared codes have differing titles between IPC and CPC.
Child Classifications
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- A43D 21/04 for lasting the opposite sides of the shoe one after another IPC+CPC Available in IPC and CPC
- A43D 21/08 with last supports and toe- or heel-embracing wipers movable both horizontally and vertically (A43D21/16 takes precedence) IPC+CPC Available in IPC and CPC
- A43D 21/12 with lasting clamps, shoe-shaped clamps, wipers, stretching straps or the like for forming the toe or heel parts of the last +3 CPC IPC+CPC Available in IPC and CPC
- A43D 21/16 with lasting pincers toe- or heel-embracing wipers +2 CPC IPC+CPC Available in IPC and CPC
- A43D 21/18 with lasting pincers and straight-acting wipers, also for forming the shank portions of shoes IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class A43,2013–2023, worldwide · Source: EPO PATSTAT
- NIKE US 3,884
- NIKE INNOVATE US 3,037
- NIKE INNOVATE NL 1,179
- 耐克创新有限合伙公司 902
- NIKE INNOVATE 842
- ADIDAS DE 707
- ASICS CORPORATION JP 573
- ANTA (CHINA) COMPANY 417
- XTEP (CHINA) COMPANY 340
- PUMA SE DE 333
Top Applicants (CPC)
Class A43,2013–2023, worldwide · Source: EPO PATSTAT
- NIKE US 4,108
- NIKE INNOVATE US 3,339
- NIKE INNOVATE NL 1,253
- 耐克创新有限合伙公司 969
- NIKE INNOVATE 910
- ADIDAS DE 768
- ASICS CORPORATION JP 591
- PUMA SE DE 344
- ADIDAS 323
- UNDER ARMOUR US 235