Plug locking cover
CA 1282856 C · Owner: Prouty, David · Inventors: Prouty, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A releasing engaging means which is manually, manipulated, and is fixably attached over a typical female plug or receptacle that is connected to the mains is used to fixedly hold, a male plug into the receptacle and to inhibit its removal from the receptacle unless the releasing engaging means is manually manipulated, thus inhibiting erroneous removal of the plug as by pulling the cord to which it is attached. Specifically, the mechanism provides a "hinged door" mounted in proximity and above the female receptacle. The plug passes through the doors as they swing open and the edge of the doors urge against the plug to hold it in the socket. The doors may be manipulated away from the plug by …
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
- Granted April 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 2008.
- 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.