Continuous bag strip
CA 1284135 C · Owner: Llorens, Rafael Gonzalez · Inventors: Sole, Juan Vidal; Llorens, Rafael Gonzalez
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A continuous bag strip, particularly applicable for use in bag dispensing machines, of the type consisting of a flat continuous, conventional tubular strip of a flexible plastic material, fitted in each of the longitudinal edges with an inward longitudinal fold and which has several groups of equidistantly separated transverse lines at a distance equal to the length of the bag, and consisting of a welding line which makes up the bottom of each bag and a perforation line near the welding line, so as to be able to separate each bag from the others is disclosed. On each inward fold line for each longitudinal fold, an oblong, longitudinal opening is made by die cutting. This opening is parallel …
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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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.