Uniformly heatable rollers for a roller grill assembly
CA 2449386 A1 · Owner: Creative Serving Incorporated · Inventors: Poland, Richard L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A roller grill assembly includes a roller grill housing and a plurality of rollers disposed in an array and rotatably supported by the housing each roller having, an external heating surface a first opening at a first, end thereof and a second opening at a second end thereof. The roller grill assembly also desirably includes heating elements provided in the rollers for heating the external heating surfaces, and a first insulating end cap secured in the first opening of each roller and a second insulating end cap secured in the second opening of each roller for minimizing heat loss through the ends of the rollers.
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 November 14, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 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.