Vehicle for the automatic laying of a track by a vehicule travelling on said track and track designed for installation by such a vehicule
CA 2083520 A1 · Owner: Villedieu, Eric · Inventors: Francois, Daniel; Villedieu, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vehicle able to lay a specially designed track formed from elements (5, 6, 7) joined end to end. The vehicle (8) advances along the track and carries a track element on the carriage. When it reaches the end of the track, the carriage is lowered so that the element can be fitted into the preceding element. The elements are of different types so as to permit track height and direction changes. (Fig. 1) B 10909.3 JCI
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 November 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2014.
- 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.