Plugstop
CA 2034449 A1 · Owner: Marino, John · Inventors: Marino, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
FORM, (ss 21, 31, 34 and 142), ABSTRACT The "TV AND appliance lock called PLUGSTOP" is a product used to sure from use any appliance or device whose power is conducted along an electrical power cord terminating in a plug which must be connected to an electric power outlet. It can be used to prevent the unauthorized use of televisions, computers power tools, etc. It is especially useful to maintain security in the case of computers; to maintain safety in the case of power tools in the home; to maintain some regulation over the viewing of television. Although some electronics such as computers and televisions can have access codes programmed directly into them this product will, make security …
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 January 17, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 17, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 17, 2013.
- 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.