IPC Main Group
B43K 23/00 Holders or connectors for writing implements; Means for protecting the writing-points
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- Subclass:
- IMPLEMENTS FOR WRITING OR DRAWING
Related Keywords
HOLDERS for pencils or chalks
7 direct subcodes
Child Classifications
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- B43K 23/004 Holders specially adapted for assisting handicapped or disabled persons to write
- B43K 23/008 Holders comprising finger grips
- B43K 23/012 Holders for attachment to finger tips
- B43K 23/016 Holders for crayons or chalks
- B43K 23/02 with means for preventing rolling
- B43K 23/06 Means for connecting two or more writing implements
- B43K 23/08 Protecting means, e.g. caps
Top Applicants
Top 10 applicants by patent filingsfor class B43, 2013–2023, worldwide · Source: EPO PATSTAT
- PILOT CORPORATION 1,100
- MITSUBISHI PENCIL COMPANY 818
- SOCIETE BIC FR 380
- MITSUBISHI PENCIL COMPANY JP 371
- PILOT CORPORATION JP 273
- DELI GROUP COMPANY 249
- SHANGHAI M&G STATIONERY 176
- PENTEL 169
- ZEBRA PEN CORPORATION 153
- GUANGZHOU SHIRUI ELECTRICAL TECHNOLOGY COMPANY 124