Two-pack kit for packaging make-your-own cigarettes
CA 2253134 C · Owner: Rothmans, Benson & Hedges Inc. · Inventors: Bowen, Larry; Cohen, Norman
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In accordance with the present invention there is provided a novel cigarette packaging system for "making your own" smokeable cigarettes. The kit is, easily opened and allows a smoker to assemble a smokeable cigarette quickly without, requiring great effort. The kit is inexpensive convenient to use and also , convenient to carry and store as its compact size is such that it fits in a person's hand a , shirt or coat, pocket as well as in a ladies bag or purse. The kit is also advantageous because it is, less expensive than tailor made cigarettes yet is not that much wider than a , standard typical package of cigarettes. The construction of the kit is such that it , keeps the, unsmokeable …
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
- Filed November 10, 1998 and granted October 2, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 10, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2020.
- 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.