Patent Yard Sign in
Expired Canadian patentCanada

Heat shrink package handle

CA 1269641 C · Owner: Bernard, Emile C. · Inventors: Bernard, Emile C.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A length of tape 3 is bonded to a heat shrinkable film 2, and the film 2 is weakened along the edges of a central portion of the length of tape 3. The film 2 is then wrapped around an article or articles, has its two opposite ends sealed together, and is heat shrunk around the article or articles causing access openings 6, 7 in the sheet in the weakened areas along the central portion of the tape that can then be used as a handle for the resultant package 1.

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 May 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 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.
FiledOctober 2, 1985
GrantedMay 29, 1990
Term endedMay 29, 2007
Patent numberCA 1269641 C
Classification (IPC)B65B61/14 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 2, 1985Patent grantedMay 29, 1990Term endedMay 29, 2007

Sources & verification

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