Wall tie
CA 1290956 C · Owner: Lapish, Ernest B. · Inventors: Lapish, Ernest B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall tie connector for masonry-veneer panels, or curtain-, wall claddings, has a ductile attachment plate for attachment to a support frame or to the masonry, the panel or the, curtain wall, and has a pair of protruding apertured flanges in which a ductile bar with at least one keying portion is keyed into an aperture to prevent rotation about its longitudinal axis. A retaining tie member is slideably mounted on the bar, and is connectable to masonry veneer a, panel or a curtain wall, or to a support member. The ductile attachment plate may have secondary flanges orthogonal to the main apertured flanges, and so arranged as to penetrate an insulation layer or to key into a masonry wall.
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 October 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2008.
- 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.