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United States Patent D639,904
Uchida June 14, 2011

Silencer for air pressure devices


CLAIM The ornamental design for a silencer for air pressure devices, as shown and described.
Inventors: Uchida; Shunsuke (Tsukubamirai, JP)
Assignee: SMC Corporation (Chiyoda-ku, Tokyo, JP)
Appl. No.: D/381,559
Filed: December 20, 2010

Foreign Application Priority Data

Sep 10, 2010 [JP] 2010-021870

Current U.S. Class: D23/213
Current International Class: 2301
Field of Search: D23/213 239/418,DIG.21,DIG.22

References Cited

U.S. Patent Documents
3973642 August 1976 Dahlquist
3982605 September 1976 Sneckenberger
4184638 January 1980 Ogasawara et al.
D371426 July 1996 Darin
D388501 December 1997 Clivio
D504936 May 2005 Yeager
D549802 August 2007 Guenther
D565697 April 2008 Thiel et al.
D570953 June 2008 Patterson et al.
D630298 January 2011 Henry
Primary Examiner: Webster; Robin
Attorney, Agent or Firm: Yokoi & Co., U.S.A., Inc. Yokoi; Toshiyuki


FIG. 1 shows a front view of a silencer for air pressure devices showing my new design;

FIG. 2 shows a rear view thereof;

FIG. 3 shows a right side view thereof;

FIG. 4 shows a left side view thereof;

FIG. 5 shows a top view thereof;

FIG. 6 shows a bottom view thereof;

FIG. 7 shows a top, front and right side perspective view thereof; and,

FIG. 8 shows a cross-sectional view thereof, taken along line 8--8 in FIG. 1.

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