Lumber sticker
CA 2476864 A1 · Owner: Aaron, James F. · Inventors: Aaron, James F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lumber sticker for separating lumber comprised of an elongated rectangular shaped block with generally rouded-off sides. The lumber sticker has channels (13) cut into the top and bottom surfaces traversing the width at , substantially a diagonal. The channels (13) are cut in an arcuate concave shape or a V-shape, and in one embodiment the channels (13) are cut at 45 , degree angles relative to the lengths of the surfaces such that the channels (13) of the top surface are perpendicular to the channels (13) of the bottoms surface. In yet another embodiment, the deepest point of each channel is at the midpoint of each channel. The point of contact between the lumber sticker and the …
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 February 19, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 19, 2025.
- 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.