Front portion of diaphragm

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Description

FIG. 1 is a top perspective view of a front portion of a diaphragm of the present invention;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a top view thereof with a surround.

The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.

The broken line showing on the drawing disclosure si for illustratve purposes only and forms no part of the claimed design.

Claims

We claim the ornamental design for a front portion of a diaphragm, as shown and described.

Referenced Cited
U.S. Patent Documents
3104044 September 1963 Reifers
3651976 March 1972 Chadbourne
3700096 October 1972 Reifers
3778516 December 1973 Cornelius
5018623 May 28, 1991 Hrenyo
D378192 February 25, 1997 Krupa et al.
D382795 August 26, 1997 Abayhan et al.
Patent History
Patent number: D538791
Type: Grant
Filed: Jan 4, 2005
Date of Patent: Mar 20, 2007
Assignee: Harman International Industries, Incorporated (Northridge, CA)
Inventors: An D. Nguyen (West Hills, CA), Charles M. Sprinkle (Ventura, CA)
Primary Examiner: Nanda Bondade
Attorney: Plumsea Law Group, LLC
Application Number: 29/220,706