Device for supplying pieces of wrapping material to wrapping machines, improved to prepare the said pieces for use, in particular, as the inner wrap in cigarette packets of the hinge lid type

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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 December 6, 1977. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 6, 1994.
• We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.