Improvement of quick vehicle cover
CA 2283578 A1 · Owner: Chai, Weizhen · Inventors: Chai, Weizhen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For the Winter Quick Vehicle Cover with file no.2272134 the clips have to be , fixed, onto the chasis of the vehicle. For some vehicle chasis it's difficult to fix the clips and, it might be dangerous for aged people to bend their back connecting the clips to the, vehicle chasis. In this invention a set of velcro accessaries are added and velcros are, fixed at the interior of the vehicle cover so that for spreading out the vehicle cover, it, could be no longer necessary to connect the clips to the vehicle chasis.
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 September 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2021.
- 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.