IPC Main Group
B43L 13/00 Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- Subclass:
- ARTICLES FOR WRITING OR DRAWING UPON; ACCESSORIES FOR WRITING OR DRAWING
Related Keywords
EIDOGRAPHSLINKAGES for copying or enlargingapparatus for PLOTTING
5 direct subcodes
Child Classifications
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- B43L 13/02 Drafting machines or drawing devices for keeping parallelism
- B43L 13/1 Pantographic instruments for copying, enlarging, or diminishing
- B43L 13/14 Devices for drawing in perspective
- B43L 13/2 Curve rulers or templets
- B43L 13/24 Devices for generating stepwise movements of drawing equipment, e.g. for hatching
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