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in which the pencils or leads are sharpened mainly by rotational movement against cutting blades (B43L23/02 takes precedence)

in which the pencils or leads are sharpened mainly by rotational movement against cutting blades (B43L23/02 takes precedence) · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB43L23/08
Official titlein which the pencils or leads are sharpened mainly by rotational movement against cutting blades (B43L23/02 takes precedence)
Display labelin which the pencils or leads are sharpened mainly by rotational movement against cutting blades (B43L23/02 takes precedence)
Total patents6

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20152
20171
20192
20211

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.