Suspended luminaire assembly
CA 2276884 C · Owner: Acuity Brands, Inc. · Inventors: Minissi, Paolo E.; Boomgaarden, Mark P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A luminaire assembly adapted for being suspended from an overhead location includes an electrical assembly having a housing with a longitudinal axis a main housing portion, and an outwardly extending lower edge portion. It also includes an optical member having an interior surface and an upper opening. The interior surface includes an end wall disposed about the upper opening. The upper opening receives the elongated housing therethrough and is coaxial therewith and also has a shape which corresponds to the elongated housing. In a suspended orientation for the luminaire assembly the housing projects from the upper opening of the optical member so that the lower edge portion is adjacent to …
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 July 2, 1999 and granted January 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 2, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2021.
- 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.