Lighting apparatus
CA 1259975 A · Owner: Electronic Advanced Systems Corp. · Inventors: Gallagher, P. Christopher J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Efficiency of a lighting apparatus containing one or more pairs of fluorescent tubes is improved by eliminating one tube of each pair, installing a new pair of sockets positioned to hold the remaining tube at a location in a vertical plane between the original tube locations, positioning a new reflector in the fixture so that it reflects light from the repositioned remaining tube, and making electrical connections to the new sockets. This can be done by making connections to original sockets. The reflector is supported by spring clips held in place by the same fasteners which secure the new sockets. The spring clips are positioned to allow installation and removal …
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
- Granted September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
- 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.