pH Meter, or the like

Information

  • Patent Grant
  • D275268
  • Patent Number
    D275,268
  • Date Filed
    Monday, December 28, 1981
    43 years ago
  • Date Issued
    Tuesday, August 28, 1984
    40 years ago
Abstract
Description
Claims
  • The ornamental design for a pH meter, or the like, as shown and described.
Priority Claims (1)
Number Date Country Kind
4001415 Jul 1981 GBX
US Referenced Citations (11)
Number Name Date Kind
D181743 Molloy Dec 1957
D203984 Roth Mar 1966
D206264 Waligorski Nov 1966
D215564 MacPhee Oct 1969
D229968 Williams Jan 1974
D249480 Jungman Sep 1978
D251114 Potts Feb 1979
D255552 Schonstedt Jun 1980
D261871 Akers Nov 1981
3806797 Harvey Apr 1974
4090925 Jungman May 1978
Foreign Referenced Citations (1)
Number Date Country
55-17940 May 1980 JPX
Non-Patent Literature Citations (2)
Entry
IBM Instruments, Inc. (Electrochemical), Cat., 11/82, pp. 14-15, pH Meters at top.
Popular Mechanics, 11/78, p. 36, pH Meter at bottom right.