Shallow electrical receptacle with surge suppressor and isolated ground
CA 2044026 C · Owner: Westinghouse Electric Corporation · Inventors: Misencik, John Joseph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A duplex receptacle has a housing base with insulating wall elements to which an insulating circuit board supporting a surge suppressor circuit is fit. The surge suppressor can be preassembled and located as a compact unit in the housing with connective connections to each of the power conductors and ground. The device also has an insulated ground feature with each ground contact extending into housing base projections which have openings accommodating an isolated ground strap to which the internal ground contacts are joined. The features of the invention are well suited fear shallow receptacles as gay be fit within outlet boxes of a depth of no yore than about 1 1/2 inches. In addition, a …
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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 June 6, 1991 and granted September 24, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 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.