Patent · US Expired

Overhead garage door lock for use with automatic opener

US4668899A · kind A · utility

8Cited by
26References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1985
Grant dateMay 26, 1987
Priority date
Expiry dateNov 8, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7113
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A garage door locking mechanism incorporating a reversible motor mounted centrally on an overhead garage door and coupled with oppositely disposed rotary latches which are selectively rotated to lock the door in its closed position.

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