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Precut holes or weakened zones

Precut holes or weakened zones · 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 codeB65D2231/02
Official titlePrecut holes or weakened zones
Display labelPrecut holes or weakened zones
Total patents7

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
20191
20213
20221
20251

Representative patents

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