Ladle brick leveling set
CA 2242106 A1 · Owner: Erny, Edward I. · Inventors: Erny, Edward I.; Winters, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ladle brick leveling set (20, 21) for high temperature molten metal ladles in which specially shaped refractory bricks are disposed in a slightly sloping geometrical configuration so as to compensate for a sloping bottom (19) of a high temperature molten metal ladle (11). The bricks are disposed in two partial rings (20, 21) each of which is essentially a mirror image of the other so that the height of the leveling set (20 21) varies substantially , uniformly from a high point where the two mirror image portions join (26a 26b) to a low point 180 degrees of arc displaced therefrom where the two , portions again join (25a 25b). Each of the refractory bricks has a slight taper in …
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 January 10, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 10, 2019.
- 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.