Patent · US Expired

Portable door lock

US5415444A · kind A · utility

7Cited by
12References
10Claims
0Family size

Inventors

Key dates

Filing dateAug 30, 1993
Grant dateMay 16, 1995
Priority date
Expiry dateAug 30, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T292/73
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A device or structure for temporarily securing a door, which the occupant of a room (such as a motel or hotel room) can affix to secure the door from being opened from the outside, while the occupant is in the room. The apparatus may be carried in a briefcase or suitcase, it requires no modifications of the door or door frame, it does not mar any surfaces, it may be installed or removed quickly by the occupant and is economical to build.

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