Patent · US Expired

Oxygen mask apparatus

US5429125A · kind A · utility

14Cited by
11References
4Claims
0Family size

Inventors

Key dates

Filing dateAug 6, 1993
Grant dateJul 4, 1995
Priority date
Expiry dateAug 6, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62B18/08
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An oxygen mask for providing a supply of oxygen to an occupant of a structure during a fire. The oxygen mask includes a pressurized gas cylinder coupled to a face mask for supplying oxygen to the user and can be operated by a removal of a safety pin and a subsequent actuation of a button which allows oxygen to flow into the face mask. A charge gauge is provided for indicating a charge status of the gas cylinder and alternate embodiments of the present invention include an eye cover assembly for protecting a user's eyes and a light assembly for illuminating an area in front of the user.

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