Silver refining installation
CA 2277070 A1 · Owner: Prior Engineering Ag · Inventors: Prior, Adalbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a silver refining installation operating according to the Mobius method and designed for treating particulate raw silver. The anodes contain a section (1) for receiving the raw silver an underlying section (12) , for receiving anodic slime and inserted between these two sections a support (6A, 6B) permeable to anodic slime and designed for the raw silver overflow. The support has at least two mutually mobile conveying elements with horizontal axes extending substantially over the support length and between which a slot (S1, S2, S3) allows the anodic slime to pass through. The invention is characterised in that the conveying elements have a reciprocating motion …
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 6, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2020.
- 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.