Manifold carbonless form and process for the continuous production thereof
CA 1107955 A · Owner: The Mead Corporation · Inventors: Shackle, Dale R.; Davis, Gerald T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, This invention relates to a process for the production of a manifold carbonless form having one or more surfaces coated with capsular chromogenic material. The process comprises providing a plurality of continuous webs, at least one web of the plurality of continuous webs being marked with a pattern and at least one non-aqueous solvent-free coating of the capsular, chromogenic material being applied to at least a portion of at least one continuous web of the plurality of continuous webs. The nonaqueous, solvent-free coating is then set followed by collating of the plurality of continuous webs. The collated, continuous webs are placed in contiguous relationship to one …
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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
- Granted September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.