Patent · US Active

Humidity indicating card

US9618456B2 · kind B2 · utility

2Cited by
17References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 2016
Grant dateApr 11, 2017
Priority date—
Expiry dateAug 1, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG08B13/2448
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A humidity indicating card includes a humidity indicator and a security device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.