Steel cable suspended energy absorbing and impact attenuating barrier system
CA 2406361 A1 · Owner: Parisotto, Lawrence R. · Inventors: Parisotto, Lawrence R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved steel cable suspended energy absorbing and impact attenuating barrier system for use, as a motorsports or traffic safety barrier wherein the barrier system comprises a plurality of, displaceable impenetrable barrier sections forming a continuous barrier suspended in a generally, vertical configuration with respect to the race track or roadway by a plurality of steel suspending, and anchor cables. The steel suspending cables maintain the plurality of impenetrable barrier, sections in a specified overlapping manner with respect to the direction of traffic and are held by, cable support rings fixed to the barrier sections to have a designated tension or slack per barrier, …
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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 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.