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DIFF Subgroup
A44B 19/18

with a third member or members, other than the slider, connected to the edges of adjacent stringers when closed, e.g. third member moved into position by a slider

Introduced: September 1968

Full Title

Slide fasteners > with a third member or members, other than the slider, connected to the edges of adjacent stringers when closed, e.g. third member moved into position by a slider

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • A44B 19/20 the third member being embraced by the stringers IPC+CPC Available in IPC and CPC
  • A44B 19/22 the third member embracing the stringers IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class A44,2013–2023, worldwide · Source: EPO PATSTAT

  1. YOSHIDA KOGYO JP 1,597
  2. YOSHIDA KOGYO 1,058
  3. ZHEJIANG WEIXING INDUSTRIAL DEVELOPMENT COMPANY 596
  4. FUJIAN SBS ZIPPER SCIENCE & TECHNOLOGY COMPANY 471
  5. GOERTEK TECHNOLOGY COMPANY 462
  6. GUANGDONG XIAOTIANCAI TECHNOLOGY COMPANY 408
  7. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 278
  8. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 267
  9. OMEGA CH 194
  10. APPLE US 187

Top Applicants (CPC)

Class A44,2013–2023, worldwide · Source: EPO PATSTAT

  1. YOSHIDA KOGYO JP 1,555
  2. YOSHIDA KOGYO 888
  3. THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 358
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 314
  5. APPLE US 234
  6. OMEGA CH 216
  7. GOERTEK TECHNOLOGY COMPANY 189
  8. APLIX FR 176
  9. FIDLOCK DE 149
  10. SAMSUNG ELECTRONICS COMPANY KR 145