Arrangement at wall support
CA 2287313 A1 · Owner: Wegler, George · Inventors: Wegler, George
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 a novel system for mutually joining together prefabricated or on-site cast walls (1 2) and floor structures (4, 5). , Preferably single-course walls are cast with attached insulation and thinplate floor structures which are supported on tooth-like projections (15) created at the ends of the floor structure by means of recesses (16). These projections are received in recesses (14) provided in the walls with the , possibility of resilient attachment and the provision of centric loading. In turn, the walls subject each other to load centrally and vertically through contact with the respective top and bottom surfaces of the tooth-like projections (13). The …
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 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2020.
- 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.