Integrated formworks
CA 2120957 A1 · Owner: Vaisman, Sivan · Inventors: Vaisman, Sivan; Vaisman, Armand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to formwork for placing concrete in concrete products: individual elements or a structure etc. The, objects of this invention are: - a product called INTEGRATED FORMWORK that is a thin plate made of concrete or other suitable materials. In most cases this plate has a ready finished face. - a process to produce INTEGRATED FORMWORKS - a process to produce products using the INTEGRATED FORMWORKS for individual elements or structures, etc. - a product called "Reusable concrete form" that is a thin plate made of concrete whose purpose is to be a reusable formwork for placing concrete in concrete products, structures etc. - a process to produce Reusable concrete …
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 April 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2016.
- 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.