Patent · US Expired

Inflatable protective cushion

US4944529A · kind A · utility

66Cited by
9References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 13, 1988
Grant dateJul 31, 1990
Priority date
Expiry dateSep 13, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R21/231
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An inflatable protective cushion (air bag) for use in an automotive vehicle. The cushion in its folded condition is of substantially quadrilateral configuration and includes superposed congruent impact surfaces joined to each other along their longitudinal margins and, along their lateral margins, by side surfaces folded inwardly. The cushion is made from no more than two flat blanks cut from web material with little or no waste.

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