TREA

Stereo headrest for dental chairs

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Information

  • Patent Grant
  • D277630
  • Patent Number
    D277,630
  • Date Filed
    Wednesday, September 29, 1982
    42 years ago
  • Date Issued
    Tuesday, February 19, 1985
    39 years ago
  • US Classifications
    Field of Search
    • US
    • D06 22
    • D06 37
    • D06 39
    • 179 146 H
    • 297 391
    • 297 396
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a stereo headrest for dental chairs, substantially as shown and described.
US Referenced Citations (16)
Number Name Date Kind
D174974 Wilson Jun 1955
D188416 Ramm Jul 1960
D198211 Apel May 1964
D211523 Duern Jun 1968
D218234 Belk Aug 1970
D233200 Madl Oct 1974
2908766 Taylor Oct 1959
3098128 Audin Jul 1963
3230320 Kerr Jan 1966
3366417 Belk Jan 1968
3384719 Lanzara May 1968
3452836 Carsello et al. Jul 1969
3512605 McCorkle May 1970
3976162 Cummings Aug 1976
4027112 Heppner et al. May 1977
4042791 Wiseman Aug 1977