Extension cord with multiple receptacles
CA 2097249 C · Owner: Leonard, Thomas R. · Inventors: Munson, Edward J.; Leonard, Thomas R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An extension cord with multiple receptacles having an electric wire with a first end, a second end and a male, plug coupled to the first end and a method for forming same. A fuse is coupled to the wire. Multiple receptacle blocks are coupled to the wire at spaced intervals along the wire. One of the receptacle blocks is coupled to the second end of the wire. Each of the receptacle blocks has several pairs of slots for receiving male plugs of items to be powered by the extension cord.
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 May 28, 1993 and granted May 16, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2015.
- 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.