Wall-ties
CA 1137777 A · Owner: Catnic Components Limited · Inventors: Robinson, Brian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
WALL-TIES", The invention relates to a wall tie for a multi-skin cavity wall, comprising a limb for anchorage with one skin of the wall, another limb for anchorage with a skin of the wall adjacent the one skin the limbs being, connected together, and means for preventing or hindering moisture transfer in use to the inner skin.
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
- Granted December 21, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 1999.
- 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.