TREA

Programmable logic controller

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Information

  • Patent Grant
  • D368252
  • Patent Number
    D368,252
  • Date Filed
    Tuesday, March 29, 1994
    30 years ago
  • Date Issued
    Tuesday, March 26, 1996
    28 years ago
Information
Abstract
Description
Claims
  • The ornamental design for a programmable logic controller, as shown and described.
Priority Claims (1)
Number Date Country Kind
5-30187 Oct 1993 JPX
US Referenced Citations (3)
Number Name Date Kind
D290694 Shimizu et al. Jul 1987
D316247 Llabres et al. Apr 1991
D351827 Shimizu et al. Oct 1994
Foreign Referenced Citations (10)
Number Date Country
753559 Jan 1989 JPX
813212 May 1991 JPX
818985 Sep 1991 JPX
748730 Jan 1992 JPX
826244 Jan 1992 JPX
827391 Jan 1992 JPX
846663 Sep 1992 JPX
851363 Nov 1992 JPX
860498 Mar 1993 JPX
883727 Dec 1993 JPX
Non-Patent Literature Citations (3)
Entry
Programmable controllers on cover of 1986 Mitsubishi literature C3344-A-NA-8609.
Mitsubishi programmable controller on p. 1242 of Elektrotechnische Zeitschrift, Sep. 1992.
Micro-1 Micro Programmable Controller For Small Machine Control, Idic Izumi Corporation, Cat. No. EP589-1, Dec. 1992, 5T Printed In Japan.