Insulated flask
CA 2204578 A1 · Owner: Ferris, Ian · Inventors: Ferris, Ian; Bruckner, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulated flask with a cup assembly and a handle assembly alternately mounted on the flask body the cup, assembly comprising two telescopically stacks cups releasably mounted to the flask body by an annular collar the cups, having nested handles. The handle assembly includes an annular collar mountable to the flask body in a similar manner as the cup collar, and an elongate handle fixed to and extending from the handle assembly collar.
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 May 6, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 6, 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.