Guideway construction
CA 1257139 A · Owner: The Regents Of The University Of Minnesota · Inventors: Anderson, J. Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vehicle supporting guideway is presented the guideway is comprised of upper horizontal stringers lower horizontal stringers vertically oriented diagonal members affixed to the upper and lower horizontal stringers and horizontally oriented diagonal members are affixed between the lower horizontal stringers. These features present a guideway having an upwardly extending U shape construction which can be supplied with wheel supporting channels, upper support channels and the entire structure can be reinforced by ribs and enclosed by a cover.
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 July 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
- 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.