Bag and method of cooking
CA 2274408 A1 · Owner: Johnson, Rob · Inventors: Johnson, Rob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bag, e. g. for use in cooking, comprises plastic sheet material folded into a pair of layers, which are heat sealed together along peripheral edges of the layers to form a pouch having an, opening to permit insertion into the pouch of food to be cooked. One of the layers is formed with, at least one line of weakening extending across that layer from the opening. The other layer, forms a flap extending beyond the opening. In use a food is inserted into the , pouch, which is then suspended by the flap, immersed in a heated liquid to cook the food and withdrawn from, the liquid. The pouch is then torn along at least one line of weakening in the pouch to thereby, discharge the food from …
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 June 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 2021.
- 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.