IPC Main Group
A42C 3/00 Appliances for hat-making not provided for in group , e.g. for making wire forms for hat-frames; Apparatus for changing the form or size of finished hats
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- HEADWEAR
- Subclass:
- MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
Related Keywords
wires FORM(S) for hat-framesWIRE(S) forms for hat-frames
3 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class A42, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 411
- BELL SPORTS US 256
- MIPS SE 221
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 148
- GENTEX CORPORATION US 129
- KASK IT 122
- PFANNER SCHUTZBEKLEIDUNG AT 114
- GUANGDONG POWER GRID CORPORATION 107
- GU ZHENGHUI 88
- MILWAUKEE ELECTRIC TOOL CORPORATION US 82