Expired Canadian patentCanada
Baking device
CA 2198962 C · Owner: Dernoga, Margaretta · Inventors: Dernoga, Margaretta
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device to prevent over-browning of the rim of a pie crust during baking comprise a flat ring of heat deflecting material to overlie the rim portion of the pie crust and a depending flange at its outer edge to position the device.
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 March 3, 1997 and granted September 18, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 3, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 3, 2019.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 3, 1997
GrantedSeptember 18, 2001
Term endedMarch 3, 2017
Patent numberCA 2198962 C
Classification (IPC)A47J37/01 +2 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.