Patent · US Expired

Drop-down face mask assembly

US6062221A · kind A · utility

127Cited by
20References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 1997
Grant dateMay 16, 2000
Priority date—
Expiry dateOct 3, 2017

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA41D13/1146
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

An improved face mask that is retained by a carriage and harness assembly, thereby allowing the face mask to drop down from the face of the wearer.

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