Patent · US Expired

Transparent-translucent fluidic head protector

US4663785A · kind A · utility

41Cited by
8References
12Claims
0Family size

Inventor

Key dates

Filing dateMar 28, 1986
Grant dateMay 12, 1987
Priority date—
Expiry dateMar 28, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S2/909
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A fluid filled head protector absorbs trauma with a safety valve and monitoring system.

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