Headphone

Information

  • Patent Grant
  • D322071
  • Patent Number
    D322,071
  • Date Filed
    Friday, January 27, 1989
    35 years ago
  • Date Issued
    Tuesday, December 3, 1991
    33 years ago
Abstract
Description
Claims
  • The ornamental design for a headphone, as shown and described.
US Referenced Citations (4)
Number Name Date Kind
D254616 Tabata Apr 1980
D299337 Wiegel Jan 1989
3555207 Cech Jan 1971
4754484 Larkin et al. Jun 1988
Non-Patent Literature Citations (1)
Entry
David Clark Company Noise Attenuating Headsets Brochure; p. 5; top right-Model H7030.