Method and system for producing slab-formed material blanks
CA 2043449 A1 · Owner: Eela, Harri · Inventors: Eela, Harri
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for producing a blank of a slab-like product in, which method a fibrous material such as chips or the like is mixed with a binder material such glue cement or the, like, and the mixture is fed into a blank-forming apparatus (1). The invention is implemented by feeding the mixture of fibrous and binder materials from the blank-forming apparatus (1) to a conveyor (4) or similar platform in order to form a blank (7), after which one or more layers of blank-separating material is dispersed layer by Layer onto the blank (7), and finally a second blank (9) is laid onto the layers (8) of blank-separating material.
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 May 29, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 29, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 2013.
- 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.