Noise control aperture

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Description

FIG. 1 is a perspective view as seen from the rear and upper left of a noise control aperture showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a sectional view taken along line 8--8 of FIG. 2, the portions of the sectional view shown in broken lines are for illustrative purposes only and form no part of the claimed design, it being understood that the broken lines define the boundaries of, but are not included in, the claimed design.

Referenced Cited
U.S. Patent Documents
D29707 November 1898 Mulconroy
D135303 March 1943 Scher
D216802 March 1970 Kliewer
D320798 October 15, 1991 Holt
2851544 September 1958 Wisdom
3231688 January 1966 Ugartechea
4823384 April 18, 1989 Lindsay
5117461 May 26, 1992 Moseley
5182774 January 26, 1993 Bourk
5268965 December 7, 1993 Badie et al.
5282245 January 25, 1994 Anderson
5329593 July 12, 1994 Lazzeroni et al.
5341420 August 23, 1994 Hollier et al.
5343523 August 30, 1994 Bartlett et al.
5394467 February 28, 1995 Kepley, III et al.
5448637 September 5, 1995 Yamaguchi et al.
5491747 February 13, 1996 Bartlett et al.
5524058 June 4, 1996 Moseley
Foreign Patent Documents
455160 July 1950 ITX
Patent History
Patent number: D396235
Type: Grant
Filed: Oct 8, 1996
Date of Patent: Jul 21, 1998
Inventors: Joseph B. Tate (Sausalito, CA), Steven B. Wolff (Woodacre, CA)
Primary Examiner: Jeffrey Asch
Law Firm: Burns, Doane, Swecker & Mathis, L.L.P.
Application Number: 0/60,838
Classifications
Current U.S. Class: Telephone Equipment (D14/240); Mouthpiece Or Earpiece (24) (D14/249)
International Classification: 1403;