Method and materials for coating
CA 1101613 A · Owner: Spearhead Industries, Inc. · Inventors: Growe, Glen H.; Patterson, Michael P.; Egberg, David C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method and associated materials for coating objects having a normally impervious surface, such as eggs and the like which includes providing a granular dyeing material and applying the same to the surface of the egg. The method of applying the dye includes the process of shaking the same to the wetted surface of the egg, and in a preferred form of the invention providing a receptacle for retaining the granular dyeing material and introducing the egg therein and thereafter agitating the receptacle such that the granular material comes into contact with the surface of the egg. The dyeing material in a preferred form of the invention, consists of a dyeing agent combined with an edible …
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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 26, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 1998.
- 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.