Bag security seal
CA 2072044 A1 · Owner: Lee, Leon L. M. · Inventors: Lee, Leon L. M.; Lee, Leon L. M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tamperproof security seal for a container and a method of manufacturing the same wherein a seal member is provided with a plurality of partition walls disposed in parallel to one another and in parallel to the end wall sections so as to define a plurality of channels extending across a width of the seal member. A plurality of holes are provided in each of the partition walls and in the end walls sections with the, holes extending through the partition walls and the end walls sections in a direction perpendicular to a longitudinal center axis of the respective channels. The holes in the partition walls and the end walls sections are disposed in alignment so as to enable a drawstring to be …
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 June 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 23, 2014.
- 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.