Title:
Microparticle filter
United States Patent D493207


Inventors:
Ueda, Yoshiro (Shizuoka, JP)
Sakamoto, Kazuya (Shizuoka, JP)
Application Number:
29/183586
Publication Date:
07/20/2004
Filing Date:
06/13/2003
Assignee:
Nikkiso Co., Ltd. (Tokyo)
Primary Class:
Field of Search:
D23/207, D23/209, 210/244, D23/365, 210/282
View Patent Images:
US Patent References:
3161591Filtering apparatus for liquid materialsPetter et al.210/251
D252524Liquid sterilizer unitLewisD23/207
D388500Water filter cartridgeBurchard et al.D23/209



Foreign References:
JP1170164
Other References:
Patent Abstracts of Japan for JP11-070164 published on Mar. 16, 1999.
Primary Examiner:
Taylor, Robin V.
Attorney, Agent or Firm:
Darby & Darby
Claims:
1. The ornamental design for a microparticle filter, as shown and described.

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.