Expired Canadian patentCanada
Apparatus for guiding a billet into a pressure- piercing rolling mill
CA 1269875 C · Owner: Gancia, Emanuele · Inventors: Gancia, Emanuele
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 method is disclosed wherein to guide a billet into a, pressure-piercing mill the same pusher is utilized as is, normally provided to force the billet through the nip of the mill rolls.
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
- Granted June 5, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 5, 2007.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 19, 1986
GrantedJune 5, 1990
Term endedJune 5, 2007
Patent numberCA 1269875 C
Classification (IPC)B21B39/06 +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.