Launcher
CA 1266065 C · Owner: Lavoie, John · Inventors: Lavoie, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
John LAVOIE ABSTRACT, A novel launching device to launch an aerodynamic disc toy discloses the use of a track that traces out the locci of points of a semicircle and then transforms along a margin thereof. coincident with the semicircle a tangential, extension. The diameter of semicircle of the locci of points is coincident with the diameter of the aerodynamic disc so that the disc is captured therein. By horizontally swinging the launcher with the disc in the track, the launcher moves the disc from its semicircular abutment therewith to run along the straight track and thus to commence to spin thereby imparting to the disc both momentum and spin whereby aerodynamic flight ensues as soon as …
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 February 20, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 2007.
- 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.