Tray for containing foodstuffs and luxury foods which give off liquids
CA 2265811 A1 · Owner: Grone, Horst-Ditmar · Inventors: Grone, Horst-Ditmar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Trays are known with two waterproof plastic plies between which an absorbent , paper insert is located the upper ply (12) having openings (14) for passage of liquid. Re-use of these trays requires separation of the insert from the other plies. According to the invention the insert (13) also consists of a , plastic i.e. of an open-cell foam plastic. All three plies (11 12, 13) are , compressed together in the area of a surrounding rim (21) so that the insert (13) is no longer open-celled or absorbent in this area.
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 September 9, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 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.
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.