Patent · US Expired

Security lock assembly

US5410900A · kind A · utility

1Cited by
12References
15Claims
0Family size

Inventor

Key dates

Filing dateMay 4, 1993
Grant dateMay 2, 1995
Priority date
Expiry dateMay 4, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/1097
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A security lock assembly for mounting on a door to cooperate with at least one slot associated with either door frame side comprising a mountable and adjustable unit structural assembly including a pivotable handle, reversible locking bar structure alignable and cooperable with either door frame side associated slot, a counter register, and mechanical linkage structure connecting the pivotal handle with the locking structure and with the counter register.

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