Dual earplug

Information

  • Patent Grant
  • D405521
  • Patent Number
    D405,521
  • Date Filed
    Monday, June 23, 1997
    27 years ago
  • Date Issued
    Tuesday, February 9, 1999
    26 years ago
  • US Classifications
    Field of Search
    • US
    • D24 106
    • D24 100
    • D24 104
    • D14 205
    • 181 129
    • 181 130
    • 181 135
    • 128 864
    • 128 865
    • 128 860
    • D01 127
    • 426 103
  • International Classifications
    • 2404
    • Term of Grant
      14Years
Abstract
Description
Claims
  • The ornamental design for dual earplug, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
D303014 Gardner, Jr. et al. Aug 1989
315559 Schwarzchild et al. Apr 1885
D378127 Brown Feb 1997
2538339 Thomas Jan 1951