Post-press embossing of a consolidated man-made board
CA 1060174 A · Owner: Masonite Corporation · Inventors: Clarke, John T.; Harker, Royce K.; Eaton, James W.
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 consolidated man-made board such as hardboard, is wetted on, one surface and thereafter embossed with a contoured embossing plate at a pressure of at least about 1000 p.s.i. at a temperature in the range of about 400-550°F. and for a period of time sufficient to permanently re-shape the surface of the consolidated board.
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 August 14, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 14, 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.