Patent · US Expired

Self-rescuer apparatus

US4840170A · kind A · utility

8Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 1987
Grant dateJun 20, 1989
Priority date
Expiry dateJul 13, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62B9/00
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

The invention is a spacer of a respirator bag to be carried in front of the chest. Inside the respirator bag an oxygen producing chemical cartridge is positioned. On the outside of the respirator bag facing the body of the carrier, a spacer body open at its top and bottom, is positioned as a spacer between the carrier and respirator bag.

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