CPC Main Group
B43L 13/00 Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for (stencils for surface decoration B44D)
10 direct subcodes
Child Classifications
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- B43L 13/02 Draughting machines or drawing devices for keeping parallelism (T-squares B43L7/02)
- B43L 13/10 Pantographic instruments for copying, enlarging, or diminishing (arrangements for copying in machine tools B23Q)
- B43L 13/14 Devices for drawing in perspective
- B43L 13/20 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
- SOCIETE BIC FR 422
- MITSUBISHI PENCIL COMPANY JP 381
- PILOT CORPORATION JP 299
- MITSUBISHI PENCIL COMPANY 213
- PILOT CORPORATION 100
- WACOM COMPANY JP 89
- STAEDTLER MARS & COMPANY DE 87
- KOTOBUKI JP 82
- CRAYOLA US 78
- SANFORD US 73