Roller conveyor chain
CA 2289379 A1 · Owner: Roberts, Cyrus J. · Inventors: Roberts, Cyrus J.; Ormiston, Malcolm D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A chain conveyor is disclosed. It has a base chain with plural article conveying assemblies, mounted on the base chain. The base chain has standard components including , roller link plates, bushings rollers, pin link plates, and standard length pins. The base chain also has extended length, pins. The extended length pins are arranged in pairs of adjacent extended length pins, and one, article conveying assembly is mounted on one pair of extended length pins. The article conveying, assembly has a conveyor member and a conveyor member link plate. The conveyor member link, plate has three spaced holes or openings. Two mounting holes or openings receive parts of the, adjacent extended …
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 November 10, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 10, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 10, 2021.
- 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.