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(6 images)

Inventor: Yanou, et al.
Date Issued: April 6, 1993
Application: 07/454,131
Filed: December 21, 1989
Inventors: Kato; Osami (Higashi-ku, Nagoya-shi Aichi, JP)
Kuwahara; Kazuo (Chuo-hu Tokyo 104, JP)
Yanou; Manabu (Higashi-ku, Nagoya-shi Aichi, JP)
Assignee:
Primary Examiner: Gergory; Bernarr E.
Assistant Examiner:
Attorney Or Agent:
U.S. Class: D23/209
Field Of Search: D23/200; D23/207; D23/208; D23/209; D23/210; 210/136; 210/198.1; 210/205; 210/206; 210/231; 210/241; 210/244; 210/245; 210/257.1; 210/258; 210/260; 210/261; 210/269; 210/275; 210/282; 210/288; 210/289; 210/290; 210/295; 210/321.6; 210/321.78; 210/413; 210/443; 210/444; 210/445; 210/446; 210/447; 210/448; 210/449
International Class: B01D 29/11
U.S Patent Documents: D216691; D220958; D238363; D265227; 4320004
Foreign Patent Documents: 703439; 6342053; 6342054
Other References: Mechantronics Design News, vol. 8, no. 2, 1983, p. 15..









Abstract: The ornamental design for a filter, as shown and described.
Claim:
Description:
 
 
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