Door liner and door assembly for a coke oven
CA 1308685 C · Owner: Suey, Paul V. · Inventors: Suey, Paul V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coke oven door liner comprises a first refractory layer, a second refractory layer and connecting means. The first refractory layer has an outer surface which is adapted to abut the inner surface of the coke oven door and has width and height dimensions which are substantially coextensive with those of the opening to the coke oven which is sealed by the coke oven door. The second refractory layer disposed within, the coke oven, has width and height dimensions substantially coextensive with those of the first refractory layer and is spaced apart from and generally parallel to the first refractory layer, thus creating an elongated chamber between the first and second refractory layers. A …
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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
- 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.