Headset amplifier

Information

  • Patent Grant
  • D494574
  • Patent Number
    D494,574
  • Date Filed
    Friday, May 17, 2002
    22 years ago
  • Date Issued
    Tuesday, August 17, 2004
    20 years ago
Abstract
Description




FIG. 1 illustrates a perspective view of a headset amplifier;




FIG. 2 illustrates a front view thereof;




FIG. 3 illustrates a back view thereof;




FIG. 4 illustrates a right side view thereof;




FIG. 5 illustrates a left side view thereof;




FIG. 6 illustrates a top view thereof; and,




FIG. 7 illustrates a bottom view thereof.



Claims
  • The ornamental design for a headset amplifier, as shown and described.
US Referenced Citations (42)
Number Name Date Kind
3955051 Bitzer et al. May 1976 A
4219789 Frangos Aug 1980 A
4517413 Pavitt, Jr. May 1985 A
4754484 Larkin et al. Jun 1988 A
4879746 Young et al. Nov 1989 A
4893331 Horiuchi et al. Jan 1990 A
4941187 Slater Jul 1990 A
4993060 Kelly Feb 1991 A
5058155 Larsen Oct 1991 A
5099514 Acree Mar 1992 A
5185789 Hanon et al. Feb 1993 A
5226077 Lynn et al. Jul 1993 A
5235637 Kraz et al. Aug 1993 A
D340455 Christian Oct 1993 S
D340722 Bungardt Oct 1993 S
5337343 Stickney Aug 1994 A
5402499 Robison et al. Mar 1995 A
5450496 Burris et al. Sep 1995 A
5455859 Gutzmer Oct 1995 A
5475872 Sato Dec 1995 A
5483579 Stogel Jan 1996 A
5488657 Lynn et al. Jan 1996 A
5493609 Winseck, Jr. et al. Feb 1996 A
5504812 Vangarde Apr 1996 A
5544230 Megyesi Aug 1996 A
5631745 Wong et al. May 1997 A
5668868 Nordenstrom Sep 1997 A
5694467 Young, III Dec 1997 A
5729603 Huddart et al. Mar 1998 A
5761298 Davis et al. Jun 1998 A
5769269 Peters Jun 1998 A
5825873 Duncan et al. Oct 1998 A
5835852 Bundgardt Nov 1998 A
5854830 Kenmochi Dec 1998 A
5867559 Jorgensen et al. Feb 1999 A
5894504 Alfred et al. Apr 1999 A
5991398 Lipton et al. Nov 1999 A
6091812 Iglehart et al. Jul 2000 A
D438197 Arpe Feb 2001 S
D464333 Rath Oct 2002 S
D469770 Carpenter et al. Feb 2003 S
D471900 Saunders et al. Mar 2003 S
Foreign Referenced Citations (2)
Number Date Country
DM047488 Aug 1999 WO
DM056846 Feb 2001 WO