Alternating current energized printing system utilizing a dielectric covered resilient impression roller
CA 1094386 A · Owner: Hurletron Altair, Inc. · Inventors: Hutchison, Joel F.; Coberley, Daniel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A printing system where the alternating current energized semiconductive layer of the impression roller has a covering of dielectric material with a controlled thickness and with a, dielectric constant many times greater than that of the web such that a major portion of the applied electric potential is transmitted to the web by means of a reactive current through the covering.
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
- Granted January 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 1998.
- 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.