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Devices involving the use of transparent or translucent tracing material, e.g. copy books

Devices involving the use of transparent or translucent tracing material, e.g. copy books · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	G09B11/06
Official title	Devices involving the use of transparent or translucent tracing material, e.g. copy books
Display label	Devices involving the use of transparent or translucent tracing material, e.g. copy books
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
2015	1
2016	1

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