Child proof extension cord
CA 2205103 A1 · Owner: Lee, David · Inventors: Lee, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A child proof electrical extension cord adapted to transmit electric power to appliances while guarding its power outlets safe from children. The child proof extension cord includes an electrical unit that comprises a casing and a cover within which multiple electric outlets are provided. The electrical unit further comprises a locking mechanism that allows to lock the cover to the casing and thereby prevent a child from accessing the outlets. More specifically, the locking mechanism includes a first finger engaging member and a second pair of opposing finger engaging members that each prevent the first finger engaging member from releasing the cover from a locked position. To effect the …
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 12, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2019.
- 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.