Hollow members connector
CA 2089023 A1 · Owner: Royal Building Systems (Cdn) Limited · Inventors: De Zen, Vittorio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A connector means for connecting hollow members comprising an anchor member to be inserted into and secured in the end of a first hollow member such as a wall member with the anchor member having an end extension projecting out of the said hollow member and adapted to project through an opening into the interior of a second hollow member such as a roof member overlying the end of the first hollow member, a stop member at the distal end of anchor end extension and extending transversely on opposite sides thereof and a wedge member for sliding introduction under said stop member being formed to provide a slotted camming ramp adapted to straddle the anchor extension and moveable under the stop …
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 February 8, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 8, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 8, 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.