Devices and methods for loading and unloading lumber for drying
CA 2213139 A1 · Owner: Sato, Jiro · Inventors: Sato, Jiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The object of the present invention is to provide just one device to perform the whole operations of stile-loading the pre-drying lumber and stile-unloading the post-drying lumber thereby making it, possible to save much facility investment. The operation of sending the pallet from the pallet-loading structure-to the stile-loading and stile-unloading conveyor by use of the pallet-carrying structure and the operation of making the pre-drying lumber line up and transferring it from the lumber-carrying conveyor onto the pallet by use of the lumber carrying structure are repeated in turn, and after the pre-drying lumber is stile-loaded on the pallet in a certain number of layers, the pallet …
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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
- Filed August 15, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 15, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 15, 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.