Cough silencer

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Description

FIG. 1 is a perspective view of a cough silencer of the present invention.

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines are directed to environment and are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design of a cough silencer, as shown and described.

Referenced Cited
U.S. Patent Documents
3316903 May 1967 Richards
3796842 March 1974 Guille
D235484 June 1975 Baro
4396089 August 2, 1983 Scully
4548626 October 22, 1985 Ackley et al.
4834212 May 30, 1989 Figone et al.
4932495 June 12, 1990 Chapman
5063926 November 12, 1991 Forsgren et al.
5413094 May 9, 1995 McBrearty
5434374 July 18, 1995 Hsueh
5910772 June 8, 1999 Hui
6085864 July 11, 2000 Copeland et al.
D439630 March 27, 2001 Ellington et al.
6401860 June 11, 2002 Ellington et al.
7025060 April 11, 2006 Nicholson
Patent History
Patent number: D569499
Type: Grant
Filed: Jan 18, 2006
Date of Patent: May 20, 2008
Assignee: Catalyst Industries, Inc. (Coeur D'Alene, ID)
Inventor: David K. McCullough (Coeur d'Alene, ID)
Primary Examiner: Ian Simmons
Assistant Examiner: Christopher Lee
Attorney: Wells St. John, P.S.
Application Number: 29/252,177
Classifications
Current U.S. Class: Respirator, Vaporizer, Or Inhalation Tube (4) (D24/110)