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Tabs permanently fastened to sheets, papers, cards, or suspension files

Tabs permanently fastened to sheets, papers, cards, or suspension files · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B42F21/04
Official title	Tabs permanently fastened to sheets, papers, cards, or suspension files
Display label	Tabs permanently fastened to sheets, papers, cards, or suspension files
Total patents	9

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

Filing activity over the last five years is declining.

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