Grate for use in industrial furnaces
CA 1263276 C · Owner: Martin, Walter Josef · Inventors: Martin, Walter Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The grate of an industrial furnace is, assembled of elongated grate bars which form rows of neighboring grate bars and the grate bars of neighboring rows partially overlap each other. Each grate bar has a top wall, a front end wall and two sidewalls, and such walls define an air-admitting passage having d portion in one or more hollow upward extensions of the top wall close to the front end wall. The extensions have transverse openings which discharge air from the respective portions of the passages into the surrounding atmosphere namely into fuel which is deposited on the grate. The openings of each extension are located in planes which are inclined to the longitudinal direction of the …
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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 November 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 28, 2006.
- 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.