Electronic calculator

Information

  • Patent Grant
  • D309153
  • Patent Number
    D309,153
  • Date Filed
    Wednesday, September 9, 1987
    37 years ago
  • Date Issued
    Tuesday, July 10, 1990
    34 years ago
Abstract
Description
Claims
  • The ornamental design for an electronic calculator, as shown and described.
Priority Claims (1)
Number Date Country Kind
62-13677 Apr 1987 JPX
US Referenced Citations (5)
Number Name Date Kind
D247522 Wolthe Mar 1978
D269356 Yoshioka et al. Jun 1983
D273593 Sakamoto Apr 1984
D281435 Sawada et al. Nov 1985
D297947 Yubisui et al. Oct 1988