Microparticle filter

- Nikkiso Co., Ltd.
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Description

FIG. 1 is a front view of our new design for a microparticle filter;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a cross-section view of the microparticle filter shown in FIG. 4 taken along a line A—A' shown in FIG. 4.

Claims

The ornamental design for a microparticle filter, as shown and described.

Referenced Cited
U.S. Patent Documents
3161591 December 1964 Petter et al.
D252524 July 31, 1979 Lewis
D388500 December 30, 1997 Burchard et al.
Foreign Patent Documents
11-70164 March 1999 JP
Other references
  • Patent Abstracts of Japan for JP11-070164 published on Mar. 16, 1999.
Patent History
Patent number: D493207
Type: Grant
Filed: Jun 13, 2003
Date of Patent: Jul 20, 2004
Assignee: Nikkiso Co., Ltd. (Tokyo)
Inventors: Yoshiro Ueda (Shizuoka), Kazuya Sakamoto (Shizuoka)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Darby & Darby
Application Number: 29/183,586
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)
International Classification: 2301;