Self-adjusting vacuum corrugated feeder and method of feeding a sheet
CA 2125205 C · Owner: Sokac, Russell J. · Inventors: Moore, Steven R.; Martin, Michael J.; Sokac, Russell J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for feeding sheets from a sheet tray which minimizes misfeeds and multi-feeds. The device includes a device for detecting sheet properties such as sheet basis weight and sheet size, a device for selecting appropriate air parameters such as, air plenum pressure, plenum flow and air knife pressure based on the sheet properties detected, and a device for adjusting air parameters based on the appropriate air parameters selected.
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 June 6, 1994 and granted July 6, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2016.
- 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.