Toy aircraft system
CA 1061556 A · Owner: Kennedy, Melvin · Inventors: Nagel, Dietmar; Kennedy, Melvin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A toy aircraft system with an aircraft powered by an electrically driven propeller and motor mounted in the aircraft which, in turn, is mounted on a boom which can rotate about a central point and move up and down in response to changes of the vertical position of the aircraft. The motor receives its electrical energy through the boom which consists of two side-by-side slim wires or rods, one of which is rotatable about its axis to tilt the aircraft forward and backward to guide the direction of flight of the aircraft.
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 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 4, 1996.
- 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.