Door security device
CA 2180802 C · Owner: Rice, Brian J. · Inventors: Rice, Brian J.; Bagan, Richard J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates generally to door security devices. More particularly the present invention relates to devices which mechanically prevent a door from being opened. While the safety features of the out-swinging panic-bar door are desirable the ease with which these doors may be broken into is a disadvantage. To reduce the threat of burglary devices have been made which prevent out-swinging doors from being opened. It is an object of the present invention to provide a door security device which is portable which prevents a door from being opened. Another object of the present invention is to provide a door security device which is easy to install and remove. A further object of …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 9, 1996 and granted September 14, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 9, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 2018.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.