Composite packing material for use in offset lithography and method of making
CA 2562847 C · Owner: Day International, Inc. · Inventors: Flint, W. Toriran; Byers, Joseph L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composite packing material for use with a printing blanket is provided including a substrate such as fabric, scrim or film which is coated on at , least, one surface with a polymeric compound to provide the desired gauge to the printing blanket assembly. The resulting composite packing material has a thickness of about 0.010 to about 0.067 inches (0.25 mm to 1.7 mm) and is substantially volume non-compressible.
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 May 16, 2005 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.