Patent · US Expired

Chemical/biological helmet

US6826783B1 · kind B1 · utility

22Cited by
23References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2003
Grant dateDec 7, 2004
Priority date
Expiry dateJan 30, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA62B18/04
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A chemical/biological protection helmet is provided with a filter system. In order to provide for improved balance control and visibility, the filter system is positioned in the rear of the helmet. By rotating the visors, provided in the front of the helmet, the filter system can be actuated as the helmet is sealed.

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