Coil package
CA 1252434 A · Owner: Bicc Public Limited Company · Inventors: Ditchfield, Neville J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved coil package comprises a closable carton formed from a folded blank of cardboard and removably housed in the carton, a reel on which is carried a coil of wire. The hollow hub formed of a transversely folded metal strip is secured to the major side walls of the carton in such a way that each reel flange is locked to the hub and is detachably secured to the adjacent major side wall. In each major side wall a protruding end part of the hub is folded to bite into the wall and is surrounded by a circle of perforations to enable the adjacent reel flange to be detached from the wall.
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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
- 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.