External mold for concrete post
CA 2350650 A1 · Owner: Mulleady, John · Inventors: Mulleady, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method to cast concrete posts and to leave the molds in which the posts are, cast on the posts to act reinforcing and also in this invention provision is made, so that extra reinforcing may be added to the posts and also posts can be provided with a hollow core so that excess moisture can exit the post.
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 June 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 20, 2023.
- 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.