Gate wing drive control device
CA 2028126 A1 · Owner: Hormann, Michael · Inventors: Hormann, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A b s t r a c t, a remote radio-control device for a motor drive system of a gate wing with a mobile push-button operated transmitter and a receiver arranged on the gate or drive system which when a button, is pressed on the transmitter causes the drive system to move, the gate wing in one or other direction or take it to an intermediate stopped position and which is arranged to ensure the triggered direction of travel of the gate wing even without any, knowledge of the movement previously made in such a way that, the transmitter has two separately operable push-buttons one of, which gives a signal to close the gate wing and the other a signal to open it, where, in a preferred embodiment …
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 March 8, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.