Patent · US Expired

Shock indicator

US7219619B2 · kind B2 · utility

29Cited by
20References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 2003
Grant dateMay 22, 2007
Priority date
Expiry dateJun 18, 2023

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/18
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A shock indicator is described comprising (A) a base having a first side and a second side; (B) an indicator associated with the first side of the base, the indicator comprising a plurality of indicator subparts, the subparts comprising solid material arranged (i) in a first configuration when the shock indicator is in a first state prior to a shock event, and (ii) in a second configuration when the shock indicator is in a second state following a shock event; and (C) means associated with the second side of the base for attachment of the shock indicator to a surface. A method of manufacture is also provided.

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