Expired Canadian patentCanada
Process and device for the longitudinal cutting of continuous castings
CA 1320122 C · Owner: Grohmann, Paul · Inventors: Grohmann, Paul
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of Disclosure In longitudinal cutting of continuous castings with high pressure, liquid stream cutting tips a preheating torch, conducted to the liquid stream cutting tip is used for heating up to the ignition temperature.
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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
- Granted July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 16, 1988
GrantedJuly 13, 1993
Term endedJuly 13, 2010
Patent numberCA 1320122 C
Classification (IPC)B23K7/00 +1 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.