Patent · US Expired

Folding door bar lock

US6644698B1 · kind B1 · utility

4Cited by
19References
4Claims
0Family size

Inventor

Key dates

Filing dateAug 12, 2002
Grant dateNov 11, 2003
Priority date
Expiry dateAug 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/67
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A bar lock having two interconnected aluminum bars for engaging handles on folding doors, and preferably extending across all the seams in the folding doors to prevent the simultaneous outward and lateral opening motion of the doors. Clamping the horizontal door handles on folding fireplace doors bars children from opening the doors.

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