Noise reduction filter

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Description

The appearance of the design for a noise reduction filter, characterized by a circular body, end caps with attached mounting brackets, and a pair of audio connector cables protruding from each end of the body.

FIG. 1 is a left front perspective view of a noise reduction filter, showing our new design;

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a left side elevation of FIG. 1;

FIG. 4 is a right side elevation of FIG. 1;

FIG. 5 is a front elevation of FIG. 1;

FIG. 6 is a rear elevation of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

Claims

The ornamental design for a noise reduction filter, as shown and described.

Referenced Cited
U.S. Patent Documents
4885559 December 5, 1989 Nakano
D314186 January 29, 1991 Fujioka
D319217 August 20, 1991 Fujioka
5900796 May 4, 1999 Parker
6469589 October 22, 2002 Takeda
6512425 January 28, 2003 Morita et al.
Other references
  • 2003 Tsunami Premium Installation Accessories Catalog, pp. cover, 53, published Feb. 2003.
  • 2004 Tsunami Premium Installation Accessories Catalog, pp. cover, 56, published Feb. 2004.
Patent History
Patent number: D532748
Type: Grant
Filed: Feb 2, 2005
Date of Patent: Nov 28, 2006
Assignee:
Inventors: Scott Disbennett (Lake Mary, FL), Edward T Robertson (Port Orange, FL)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: John Wiley Horton
Application Number: 29/222,527