Method of making ornamental plastic articles
CA 1077222 A · Owner: Walters, Ben · Inventors: Walters, Ben
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ornamental plastic article having a smooth rear exterior surface and a rough, randomly arranged layer of plastic particles or pellets forming the front outer surface is produced by placing a layer of plastic powder on one surface of a first mold form containing an outer wall having the configuration of the article, heating the powder until the powder becomes tacky in the form of a strip placing, this form on top of a mating second mold form having an outer wall containing various pockets of different colored plastic pellets of a compatible plastic material located in predetermined locations within the outer wall rotating, the two forms until the tacky powder form is on the bottom and the …
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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 May 13, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 13, 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.