A processing method of cow-foot and cow-head
CA 2386729 A1 · Owner: Seil Trade Co. Ltd. · Inventors: Hwa, You Duck
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is related to cow. Especially it refers to an effective, processing method of cow-foot and cow-head. A processing method of cow-foot under this invention is composed as follows : Cut off cow-foot from the slaughtered cow and wash them with cold water ; Put the washed foot in a dipping unit of hot water at 61°C ~, 63°C for 10 ~ 15 minutes ; Remove hair from the foot with cow-foot depilator for 30 seconds ~ 1 minute ; Remove the claws and impurities from the hair-removed foot ; Put the foot into cold water for 20 minutes ; Take the cooled foot out of the cold water remove moisture and do a, vacuum packing of the moisture-removed foot ; Check the weight of the foot, put them in …
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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 17, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 17, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 2024.
- 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.