Debarking chain with passing links
CA 2763754 C · Owner: Jensen, Robert D. · Inventors: Mccauley, John J.; Jensen, Robert D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method of making a debarking chain having a passing link. A debarking chain is provided that includes a plurality of interlocking welded oblong chain links. Each interlocking welded oblong chain link has an inner perimeter having at least two straight portions. One of the interlocking welded oblong chain links is reshaped into a passing link by applying sufficient force to at least one interlocking welded oblong chain link so as to change the two straight portions of the inner perimeter of the at least one interlocking welded oblong chain link to become more rounded.
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 April 12, 2006 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.