Junction box for interconnecting electrical conduits
CA 2085394 A1 · Owner: Defreitas, Glennon Lloyd · Inventors: Defreitas, Glennon Lloyd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An enclosure consisting of a wall which is open at, both ends, containing tubular projections perpendicular to the wall and an outward flange at one end forming a base, whereby the junction box can be secured to a concrete form, prior to the concrete being poured for, a wall or floor or ceiling. The other end of the wall of the junction box is sealed by means of a fitted lid which is held secure to the box by means of two screws. Each tubular projection being dimensioned internally, to receive an end of an electrical conduit contains a, "Knock-out portion at the end forming a portion of the wall of the box, which seals the opening of the tube at the wall of the box. This "Knock- Out" …
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 December 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 2014.
- 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.