Low tension dual helical conveyor system
CA 2361894 A1 · Owner: Degennaro, Ronald J. · Inventors: Priebe, Paul; Finazzo, Jerome J.; Degennaro, Ronald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dual helical conveyor system, is disclosed having a conveyor belt adapted to move in a first direction along a first helical path and thereafter in a second direction, generally opposite the first direction along a second helical path generally concentric, with said first helical path. The conveyor belt is further movable through a cross-over, section along a cross-over path which connects the first and second helical paths, and a, conveyor belt drive mechanism is provided in the cross-over section to fractionally, drive the conveyor belt along the cross-over path and between the first and second, helical paths. The conveyor belt is driven by friction/slip drive mechanism along …
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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 November 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2023.
- 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.