Plastic barrel
CA 2134879 A1 · Owner: Przytulla, Dietmar · Inventors: Przytulla, Dietmar; Wurzer, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plastic barrel has a substantially cylindrical wall, a disk-shaped lower bottom and a corresponding upper bottom in which a closable bunghole opening is arranged if required, and a continuous carrying and transporting ring arranged on the outer wall of the barrel at the proximity of the upper bottom and having a downwardly inclined horizontal contact surface and an inwardly inclined vertical contact surface for the claws of a barrel gripper. A sunk-in bung housing with a projecting bunghole pipe is arranged in the upper bottom of the barrel. The inner diameter of the bunghole pipe amounts to 100 mm or more and this bunghole pipe can be closed in a gas- and liquid-tight manner by means of …
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 May 12, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 12, 2015.
- 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.