Patent · US Expired

Inflatable liner for protective headgear

US5175889A · kind A · utility

139Cited by
21References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 2, 1992
Grant dateJan 5, 1993
Priority date
Expiry dateApr 2, 2012

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA42B3/122
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An inflatable liner for protective headgear comprising, in accordance with one aspect of the present invention, a reinforced hollow strip for the reception and storage of fluid, the strip having a selected size so as to line the protective headgear and partially encircle a user's head, a reinforced hollow flap extension connected to the midsection of the strip so as to allow the fluid to flow freely therebetween, a valve for controlling the passage of fluid to and from the inflatable liner, and pockets for maintaining uniform inflation of the strip and flap extension.

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