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with destructible seal closures or paper closures

with destructible seal closures or paper closures · Cooperative Patent Classification (CPC)

Building, mining, and civil engineering structures.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	E05B39/02
Official title	with destructible seal closures or paper closures
Display label	with destructible seal closures or paper closures
Total patents	7

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

Filing activity over the last five years is stable.

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