Electronic calculator

Information

  • Patent Grant
  • D331254
  • Patent Number
    D331,254
  • Date Filed
    Friday, February 22, 1991
    34 years ago
  • Date Issued
    Tuesday, November 24, 1992
    32 years ago
  • US Classifications
    Field of Search
    • US
    • D18 1
    • D18 6
    • D18 7
    • D18 11
    • D18 12
    • D10 2
    • D10 15
    • D10 22
    • D10 28
    • D14 100
    • D14 106
    • D14 107
    • 200 5 A
    • 235 61 R
    • 340 365
    • 340 700
    • 364 706-710
    • Term of Grant
      14Years
Abstract
Description
Claims
  • The ornamental design for an electronic calculator, as shown and described.
Priority Claims (1)
Number Date Country Kind
2-28689 Aug 1990 JPX
US Referenced Citations (3)
Number Name Date Kind
D249091 Bartis Aug 1978
D258966 McCrae Apr 1981
D276536 Siefert Nov 1984
Non-Patent Literature Citations (2)
Entry
Hong Kong Enterprise, May 1986, p. 14, Round Simulative Calculators.
Hong Kong Enterprise, Oct. 1989, p. 256, round currency calculator-top left of page.