GENEVA, Sept. 18 -- CHANG YANG MATERIAL CORP. filed a patent application (CN2025/081211) for “VARIABLE-PRESSURE SHOE LAST, AND METHOD FOR BONDING SHOE SOLE TO SHOE UPPER BY MEANS OF VARIABLE-PRESSURE INJECTION MOLDING”. With publication no. WO/2026/183800, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: A43D 3/04

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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