Storage container of samples for analysis
CA 1268405 C · Owner: Coupek, Jiri · Inventors: Strejc, Borivoj; Coupek, Jiri; Tomsova, Zdenka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A storage container of samples for analysis which consists of a cylindric tube and two fittings adapted for connection with a syringe, mutual connection of containers in series, or closing is manufactured from a suitable plastic or glass. A column of sorbent is closed at both ends with a porous partition, screen or a layer of silicate or glass wool. The size of sorbent particles is 20-150 µm. The content of storage container is protected during storage and/or transportation by closures from both sides. The sorbents which are packed into the storage container are selected from silica gel or organic copolymeric carriers of specific or nonspecific functional groups which are, purposefully …
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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 May 1, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 1, 2007.
- 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.