Light charged celestial simulation device
CA 1259192 A · Owner: Wederski, Du Wayne A. · Inventors: Wederski, Du Wayne A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new and useful display device having a light charged device simulating a nocturnal celestial effect is disclosed. The device is arranged to be suspended from an overhead surface such, as a ceiling, and when charged with light a simulated nocturnal celestial effect is provided. An electric motor capable of rotating the device in a simulated rotation of the earth is also provided.
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 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 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.