Pressure lid container
CA 2074836 A1 · Owner: Hornig, Rolf · Inventors: De Turckheim, Bernard; Schormair, Eckart; Hornig, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Pressure lid can or container with an at least one-part body member and a lid member, which together with the closure-side end of the body member forms a tight closure, in which a lever gap is left free between the body member and the lid member for the engagement of a lever enabling the lid member to be levered up and in which the lid member has an all-round, resilient engagement lip which engages, from the inside under pretension in a closure crease of the body member adapted to the engagement lip shape (according to patent application P 40 29 146.4), in which instead of the engagement lip of the lid member engaging in a separately produced closure crease it resiliently engages below an …
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 15, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2013.
- 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.