Busbar structure for diaphragm cell
CA 2334774 A1 · Owner: Florkiewicz, Thomas F. · Inventors: Florkiewicz, Thomas F.; Romine, Richard L.; Jahn, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrolytic cell comprising a walled enclosure including a cathode sidewall (3, 3') has busbar structure (4 7) external to the cell. The busbar , structure can include a gird bar releasably secured at the sidewall. It also may include a foraminous interface member between the gird bar and the sidewall, as well as having a small cathode busbar member (7) on the sidewall. The small busbar member (7) is typically located above and adjacent to the gird bar (4). Particularly when the gird bar and foraminous interface member are present, there can be internal support members for the cathodes directly secured to the inside face of the cathode sidewall. Furthermore intercell , connection …
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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
- Filed July 29, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2021.
- 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.