Self-erasing, reusable writing surface on packaging structure
CA 1301451 C · Owner: General Foods Corporation · Inventors: Smolinski, Charles Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is concerned with a writing and drawing surface composed of a printed background color or design, a plastic adhesive media, an overlay film an, adhesive for affixing the perimeter of the film to the carton, and a lift tab pattern which allows the overlay film to be released from the packaging surface. The technique for manufacturing consists of applying the background color and film overlay adhesive to the packaging material concurrently with the desired graphics follows by the application of the plastic adhesive and overlay film. LPATCASE:9
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.