Frame jointing assembly and the like
CA 1059289 A · Owner: Worrallo, Anthony C. · Inventors: Worrallo, Anthony C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A frame jointing assembly for easier erection and dismantling of displays, screens, showcases and the like. One component shall be a structural extruded shape with a lipped channel opening in one flat face or multiple flat faces in the form of triangles, hexigons, octogons, squares and other shapes. The rear face of the said lipped channel shall have a flat faced screw groove provided facing outwardly between the opening between the lips of the said lipped channel. To which a shouldered collar with a non turning stop is attached with a screw to each end of a said structural extruded shape. In one position the shoulders of the collar may be forced into lipped channel openings in two said …
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 July 31, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1996.
- 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.