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Expired Canadian patentCanada

Package with a hinged lid and method of producing the same

CA 1056783 A · Owner: Focke And Pfuhl · Inventors: Focke, Heinz; Liedtke, Kurt

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A package blank has successive portions which constitute the front wall, bottom, back wall, lid back wall lid top surface, and lid front wall, with side flaps which are overlapped in the completed package and form the side wall. The side flaps adjacent the front wall, the lid front wall, and the lid top surface and, that are the outer overlapping side flaps in the completed package are made of a width corresponding to the width of the side wall of the completed package, while the innermost of the overlapping side flaps are made with a narrower width dimension so that the, blank has a wide part and a narrow part. This reduces waste as, the blanks may be cut from packaging material in such …

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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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJune 19, 1979
Term endedJune 19, 1996
Patent numberCA 1056783 A
Classification (IPC)B65D5/35 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJune 19, 1979Term endedJune 19, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.