TREA

Hearing protection device

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Information

  • Patent Grant
  • D409743
  • Patent Number
    D409,743
  • Date Filed
    Wednesday, October 28, 1998
    25 years ago
  • Date Issued
    Tuesday, May 11, 1999
    25 years ago
  • US Classifications
    Field of Search
    • US
    • D24 106
    • D24 100
    • D24 101
    • D24 120
    • D14 205
    • 181 129-137
    • 381 183
    • 381 187
    • 381 25
    • 381 380
    • 379 430
    • 604 288
    • 128 864-868
    • D29 19
  • International Classifications
    • 2404
    • Term of Grant
      14Years
Information
Abstract
Description
Claims
  • The ornamental design for a hearing protection device, as shown and described.
US Referenced Citations (19)
Number Name Date Kind
D272946 Scanlon Mar 1984
D338267 Scholey Aug 1993
2498960 Mullin Feb 1950
2780681 Shaper Feb 1957
3470975 Haiken Oct 1969
3618697 Littman et al. Nov 1971
4193396 Wacker Mar 1980
4253452 Powers et al. Mar 1981
4461290 Gardner, Jr. et al. Jul 1984
4554993 Houng Nov 1985
4671265 Andersson Jun 1987
4819624 Leight et al. Apr 1989
4867149 Falco Sep 1989
5044463 Carr Sep 1991
5113967 Killion et al. May 1992
5117464 Jones et al. May 1992
5188123 Gardner, Jr. Feb 1993
5298691 Leight Mar 1994
5749373 Dix May 1998
Foreign Referenced Citations (1)
Number Date Country
1235513 Jun 1971 GBX
Divisions (1)
Number Date Country
Parent 058459 Aug 1996