CPC Main Group
B43K 24/00 Mechanisms for selecting, projecting, retracting or locking writing units
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B43K 24/02 for locking a single writing unit in only fully projected or retracted positions
- B43K 24/10 for selecting, projecting and locking several writing units
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