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Expired Canadian patentCanada

Eccentric z-fold mailer with nesting capabilities

CA 1323616 C · Owner: Hutchinson, Wilbur P. · Inventors: Hutchinson, Wilbur P.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A mailer comprises a sheet having front and rear surfaces and top, bottom and side edges. First and second fold lines are located between and parallel to the top and bottom edges, an address area is located between the top edge and the second fold line, and a text area is located between the first fold line and the bottom edge. The distance between the top edge and the second fold line is substantially less than the distance between the first and second fold lines. Strips of adhesive are disposed on the front surface adjacent the side edges between the bottom edge and first fold line and on the, rear surface adjacent the side edges between the top edge and the second fold line. The …

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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 October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 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 4, 1988
GrantedOctober 26, 1993
Term endedOctober 26, 2010
Patent numberCA 1323616 C
Classification (IPC)B65D27/10 +2 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedAug 4, 1988Patent grantedOct 26, 1993Term endedOct 26, 2010

Sources & verification

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