Apparatus and method for applying closures to bags and the like
CA 1058578 A · Owner: Professional Packaging Limited · Inventors: De Biasi, Joseph T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure: Bags having side panels and front and back panels -- such as laminated paper bags in which produce such as biscuits and cookies are sold -- may have closures attached to them so that the bag is closed and sealed with product inside for wholesale and retail sales, and may be opened and re-closed by the end purchaser. Where the closures comprise a pre-formed plastic closure having at least one open jaw into which the top of the bag when shut, is inserted and which are, applied to a portion of the front panel of the bag. Apparatus is provided for applying the closure to the bag which, apparatus comprises means for applying the closure to the folded top of the bag …
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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 July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.