Opening-out closure flaps clear of bag, box, or carton mouth

Opening-out closure flaps clear of bag, box, or carton mouth · 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 codeB65B43/39
Official titleOpening-out closure flaps clear of bag, box, or carton mouth
Display labelOpening-out closure flaps clear of bag, box, or carton mouth
Total patents30

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20172
20182
20192
20203
20213
20225
20235
20244
20253

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 B65B43/39?
CPC B65B43/39 is the Cooperative Patent Classification code for “Opening-out closure flaps clear of bag, box, or carton mouth.”
How many patents are filed under CPC B65B43/39 (Opening-out closure flaps clear of bag, box, or carton mouth)?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC B65B43/39 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).