Demountable partition wall system with single piece horizontal support members and an open wall cavity
CA 2096098 A1 · Owner: Gravity Lock Systems, Inc. · Inventors: Moreno, Juan L.; Allison, Ronald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure An improved horizontal support member for a demountable wall system which decreases the number of pieces which must be cut and folded, and subsequently assembled to form, a frame to which the gypsum board panels of the wall are assembled while increasing the strength and stability of the wall. The support member is formed from an elongate sheet of metal by making a series of longitudinal cuts in the metal and then folding the cut metal edges along lines which are substantially parallel to the longitudinal cuts to form first and second bars. The space between longitudinal cuts acts as a spacer to maintain the first and second bars in spaced, substantially parallel …
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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 May 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2015.
- 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.