Oven liner
CA 2494174 A1 · Owner: Bray, Patrick L. · Inventors: Bray, Patrick L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave oven liner (11) is an injection moulding having a roof (12) a , floor (14), a back (15) and two sides (16). The moulding is of food grade polypropylene, such that the liner can be washed in a commercial dishwasher. The liner is sized to be a sliding fit in a microwave oven. The roof is shorter (17) at the front than the floor to allow air circulation. Further the roof is apertured, also for air circulation with a series of small c. 4mm , bores (18) registering with the roof aperture (8). A lip (19) is provided across the front of the floor to retain split liquid. The external corners (20) are chamfered to clear the silicone seal (9) for instance. The floor has regularly …
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 August 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2025.
- 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.