Sampling device
CA 2356256 A1 · Owner: Prymych, David Henry · Inventors: Prymych, David Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a tool that is adapted to an existing used or new manufactured tank or pipeline. To embrace and extract a sample of contents to visually identify what the contents are at a predetermined level. By a fitting tooled to probe a tank too and to extract and to reveal contents and sealed to isolate the contents from atmosphere. At a point of sampling as where there will be a positive pressure at point of sampling. Pressure may be natural or artificial.
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 September 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2023.
- 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.