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Expired Canadian patentCanada

Bags having zippers and being serially connected by guide rib equipped strips removable for separating the bags, and method of and means for filling and separating such bags

CA 1267121 C · Owner: Lems, Peter · Inventors: Nocek, Robert S.; Lems, Peter; Ausnit, Steven

CIPO record

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

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Abstract From the Canadian patent

Integrally serially connected top fillable bags have closed bottoms and sides and reclosable zippers from which pull flanges extend upwardly. The bags are separated along their sides including the pull flanges and continuous connecting strips connect the tops of the pull flanges and have guide ribs extending continuously therealong for engagement by supporting jaws which serve to open the serially connected bags one at a time at a filling station for filling. After the filling station the filled bag is separated from the connected bags by removing the connecting strip from the tops of the pull flanges of the filled bags in line with or below the top ends of the separations between bags. 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 March 27, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 27, 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 30, 1985
GrantedMarch 27, 1990
Term endedMarch 27, 2007
Patent numberCA 1267121 C
Classification (IPC)B65D27/10 +2 more

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 30, 1985Patent grantedMarch 27, 1990Term endedMarch 27, 2007

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