used as masters for making successive impressions

used as masters for making successive impressions · 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 codeB29C33/3878
Official title{used as masters for making successive impressions}
Display labelused as masters for making successive impressions
Total patents104

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20157
201612
20176
201812
201917
202011
20219
20225
202310
20249
20255
20261

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B29C33/3878?
CPC B29C33/3878 is the Cooperative Patent Classification code for “used as masters for making successive impressions.”
How many patents are filed under CPC B29C33/3878 (used as masters for making successive impressions)?
Our database includes 104 publications tagged with this CPC code.
Is patent activity under CPC B29C33/3878 growing?
Publication counts under this code: 9 in 2024 vs 5 in 2025 (latest complete years).