Sheet control mechanism for use in an electrophotographic printing machine
CA 2076835 C · Owner: Dastin, Richard M. · Inventors: Durland, Scott C.; Swanson, Roger M.; Cassano, James R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus for advancing a sheet in a predetermined path is described. The apparatus includes a mechanism for advancing the sheet in the path. The apparatus further includes a first mechanism for controlling movement of the sheet while it is being advanced in the path the first, controlling mechanism being in contact with the sheet in a first mode of operation and being spaced apart from the sheet in a second mode of operation. Moreover, the apparatus includes a second mechanism for controlling movement of the sheet while it is being advanced in the path the second controlling mechanism being in contact with the sheet in a first mode of operation and being spaced apart from the sheet in a …
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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 August 25, 1992 and granted July 27, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 25, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 25, 2014.
- 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.