Patent Yard Sign in
Expired Canadian patentCanada

Color panel standards sorting system

CA 1262765 C · Owner: E. I. Du Pont De Nemours And Company · Inventors: Falcoff, Allan F.; Alman, David H.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A process for forming paint panel color standards in which a multiplicity of panels are painted and marked with a man/machine readable ID number; the improvement used with this process is as follows:, (1) electronically determining the ID number of each panel and measuring each panel color coordinate values and feeding, this information to a computer which establishes a criteria for various panel quality standards;, (2) sorting the panels by electronically determining panel ID number and feeding the number to the computer which signals a robot to place the panel with a group of panels having the same quality standard.

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 November 7, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 7, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 2, 1986
GrantedNovember 7, 1989
Term endedNovember 7, 2006
Patent numberCA 1262765 C
Classification (IPC)B07C5/34 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedSep 2, 1986Patent grantedNov 7, 1989Term endedNov 7, 2006

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.