Travel way for land transport systems
CA 2323977 A1 · Owner: Werner, Rolf J. · Inventors: Mohr, Winfried; Flessner, Hermann C.; Werner, Rolf J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Structural support system for traffic systems of all kinds preferably for MSB , (magnetic, levitation trains) such as TRANSRAPID for example with pre-fabricated travel , way, trusses containing at least one hollow reinforced pre-stressed concrete longitudinal girder, projected by the track plate on both sides and placed on substructures produced either in, the site-mixed concrete method or as pre-cast concrete elements whereby the , pre-, stressed concrete longitudinal girders are finished as pre-stressed concrete stay pipes, produced by way of the centrifugal concrete moulding production technique with flat, upper support collars for the transversely placed continuous track plates …
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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 October 19, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 19, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 19, 2022.
- 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.