Expired Canadian patentCanada
Device for baking hollow pastry goods
CA 2177980 C · Owner: Rocker, Hans · Inventors: Rocker, Hans
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention pertains to a device used for baking hollow pastry goods where one or more strips of dough are wound on a hollow body prior to baking. The hollow body consists of elastic wire coils that form a spiral structure.
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
- Filed December 2, 1994 and granted July 27, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 2, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 2, 1994
GrantedJuly 27, 1999
Term endedDecember 2, 2014
Patent numberCA 2177980 C
Classification (IPC)A21B5/02 +1 more
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.