Repair method for drywalls and like construction materials
CA 1232522 A · Owner: Bernard, Andre · Inventors: Bernard, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The within inventive method for repairing a drywall surface (i.e. gypsum boards) or a plaster wall or ceiling obviates the need for spackling, and contemplates instead the use of a plastic film in covering relation over the surface defect and in this position properly prepared so that the plastic, is totally devoid of wrinkles end in firm attachment to the surface with the, result that the repair cannot be detected from the original surface.
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 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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.