Patent · US Expired

Respirator hood

US4811728A · kind A · utility

13Cited by
10References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 29, 1986
Grant dateMar 14, 1989
Priority date
Expiry dateSep 29, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62B17/04
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A respirator hood designed as an emergency escape hood and air filter device. A head protector is provided, which is simultaneously designed as a packing and stand-by container. The crown area of the respirator hood is provided as an impact-resistant head protector with the respirator hood being an integral component thereof. The respirator hood in its unused state is packed and stored under moisture-proof conditions within the head protector.

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