Frame structure for casting concrete building panels
CA 1071388 A · Owner: Leisure Life · Inventors: Wall, Harlin 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 A frame structure for casting a concrete building panel is constituted by a plurality of panel edge molding frame members each having a generally U-shaped cross-section a plurality of panel corner frame members each having a configuration which, when viewed in plan, corresponds to the angle of the corner of the panels to be molded thereby the, panel edge molding frame members and the panel corner frame members being assembled in a panel molding frame with a number of panel edge molding frame members along the portions of the frame corresponding to the edges of the panel to be molded sufficient to equal the length of the corresponding edge of the panel, with the …
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 February 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 1997.
- 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.