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Safety devices, e.g. for preventing extraction of copy matter before completion of stamping operation

Safety devices, e.g. for preventing extraction of copy matter before completion of stamping operation · 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	B41K3/66
Official title	Safety devices, e.g. for preventing extraction of copy matter before completion of stamping operation
Display label	Safety devices, e.g. for preventing extraction of copy matter before completion of stamping operation
Total patents	2

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

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2019	1
2021	1

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