Thermoplastic bag pack
CA 1248060 A · Owner: Mobil Oil Corporation · Inventors: Reimann, George J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bag pack and individual bags characterized by having handles which are integral extensions of the front and rear of said bag. The bags have a mouth which includes stress relief curves on both sides of an upwardly extending tab. The tab includes at least one orifice adapted to securely surround a suspension means. Below or below and above and closely adjacent to said orifice is bonding means fastening all of said bag structures together and simultaneously contributing rigidity to said orifice. Below said bonding means and above the points of maximum amplitude of said stress relief curves is a line of preweakening in said tab to accommodate tear-off of individual bag structures from said …
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 January 3, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 3, 2006.
- 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.