Remote control towing-hitch assembly
CA 2380502 A1 · Owner: Hill, David M. · Inventors: Shilitz, David; Hill, David M.; Toth, Louis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adjustable trailer hitch which provides an operator improved remote control of the, lateral position of a trailer hitch and simplifies the procedure of hooking a trailer to a tow, vehicle. The trailer hitch comprises a hitch assembly (such as a ball receptacle) attached to a, roller carriage which moves from side-to-side along a bumper-like housing. The roller carriage, engages a positioning screw and an electric motor mounted in a sealed end cap powers the, positioning screw. Rotation of the screw translates into rightward or leftward lateral movement, of the roller carriage and consequently of the ball receptacle assembly. Motion of the ball, receptacle assembly is controlled …
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
- Filed April 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 5, 2024.
- 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.