DIFF Subgroup
A44C 5/18 Fasteners for straps, (buckles A44B11/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Fasteners for straps
CPC: Fasteners for straps, (buckles A44B11/00)
Full Title
Full titles differ between systems:
IPC:
Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps > Fasteners for straps
CPC:
Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps > Fasteners for straps, (buckles A44B11/00)
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class A44,2013–2023, worldwide · Source: EPO PATSTAT
- YOSHIDA KOGYO JP 1,597
- YOSHIDA KOGYO 1,058
- ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY 596
- FUJIAN SBS ZIPPER SCIENCE & TECHNOLOGY COMPANY 471
- GOERTEK TECHNOLOGY COMPANY 462
- GUANGDONG XIAOTIANCAI TECHNOLOGY COMPANY 408
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 278
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 267
- OMEGA CH 194
- APPLE US 187
Top Applicants (CPC)
Class A44,2013–2023, worldwide · Source: EPO PATSTAT
- YOSHIDA KOGYO JP 1,555
- YOSHIDA KOGYO 888
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 358
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 314
- APPLE US 234
- OMEGA CH 216
- GOERTEK TECHNOLOGY COMPANY 189
- APLIX FR 176
- FIDLOCK DE 149
- SAMSUNG ELECTRONICS COMPANY KR 145