Trailer coupler
CA 1216012 A · Owner: Luke, Mark C. · Inventors: Luke, Mark C.; Luke, Floyd L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coupling device for coupling a trailer reach ball to a vehicle comprising:, a housing, such housing being attached to a vehicle; a first coupling element, pivotally mounted within such housing such coupling element including a first part extending outwardly from such housing, and a second part mounted within such housing; the coupling elements, such coupling elements being pivotal towards and away from a common point, such common point being located along a line passing through the pivot points of such coupling elements and being, generally equidistant from each such pivot point; a pair of opposed cup members mounted to the outward extending parts of the coupling elements, such coupling …
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 December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 2003.
- 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.