Interconnecting edge beams for concrete forming panels
CA 2085536 A1 · Owner: Spera, Vittorio · Inventors: Spera, Vittorio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed an assembly of interconnecting edge beams for concrete sheathing panels. The assembly includes a male beam member and a female beam member. The members are elongate and each have a panel support for attachment to the edge of a sheathing panel placed thereon. The members also each provide an abutment surface and a coupling mechanism for mating engagement of the male beam member with an adjacent female beam member such, that when the members are disposed in mating engagement they, present a substantially planar and continuous concrete forming surface made up of the sheathing panels. Preferably the coupling, mechanism includes a laterally extending rib provided on the male …
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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 December 16, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2014.
- 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.