Allsports backstops
CA 2296030 A1 · Owner: Leblanc, Edwin · Inventors: Leblanc, Edwin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Other tarping systems for garage doors require a complicated system of cords and ties for, temporary attachment. My invention allows for a permanent (or removable) retractable, system for creating a back stop for a variety of sports. This system utilizes polypropylene netting,\tarping,vulcanized rubber\steel pins, velcro, to create a tarping\ netting type apparatus allowing attachment to any structure, containing a top beam and side posts (i.e. garage doors soccer or football , posts.). Velcro (or bungy type) attachment converts the tarp from a hockey play backer with built, in goal, to a baseball\football (or like) accuracy pitching or throwing backer. A netting, attachment would …
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 January 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 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.