Test piece coloration comparative decision unit
CA 1329329 C · Owner: Ota, Hiroyuki · Inventors: Sierra, George Harold; Terada, Takao; Herpichboehm, Bernd Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A unit for deciding the coloration of a test piece by comparison with reference samples including a display of a plurality of color samples arranged for comparison to specimen means for, identifying a selected color sample a first memory means for storing, values representing each of said different color samples and combination thereof, and display means for displaying a stored color sample value corresponding to a color sample or combination of color samples selected. The unit further includes a stationary mounting member having an area for mounting a specimen and a rotatable color, sample member mounted on the stationary member. The color samples are arranged in the form of a circle on …
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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 May 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
- 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.