Expired Canadian patentCanada
Dough hook and a food mixer
CA 2242962 C · Owner: Friend, Duane H. · Inventors: Xie, Mark Mingjun; Friend, Duane H.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dough hook (50) for a planetary mixer (10) which comprises a shaft portion (52) for attaching said hook (50) to a mixer head (30) and a hook portion having a plurality of points located on a common edge of said shaft.
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 30, 1997 and granted June 25, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 30, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 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.
FiledSeptember 30, 1997
GrantedJune 25, 2002
Term endedSeptember 30, 2017
Patent numberCA 2242962 C
Classification (IPC)A21C1/02 +2 more
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.