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Patent
D414855
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Priority
Jul 28 1998
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Filed
Jul 28 1998
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Issued
Oct 05 1999
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Expiry
Oct 05 2013
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Assg.orig
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Entity
unknown
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3
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19
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n/a
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The ornamental design for a pleated filter, as shown and described.
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FIG. 1 is a front elevation view of a pleated filter, showing, my new
design;
FIG. 2 is a top plan view of the pleated filter of FIG. 1, with the bottom
plan view being identical thereto;
FIG. 3 is a rear elevation view of the pleated filter shown in FIG. 1; and,
FIG. 4 is a right side view of the pleated filter of FIG. 1, with the left
side view being identical thereto.
The features depicted in broken lines are for illustrative purposes only
and do not form a part of the claimed design.
Reuter, Robert J.
Patent |
Priority |
Assignee |
Title |
2486728, |
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2790207, |
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3112264, |
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4215682, |
Feb 06 1978 |
Minnesota Mining and Manufacturing Company |
Melt-blown fibrous electrets |
4363682, |
Apr 18 1980 |
Seplast |
Process for the superficial treatment of a fibrous filtering layer, which is non-woven and highly aerated, forming electret |
4588537, |
Feb 04 1983 |
Minnesota Mining and Manufacturing Company |
Method for manufacturing an electret filter medium |
4592815, |
Feb 10 1984 |
Japan Vilene Co., Ltd. |
Method of manufacturing an electret filter |
4734195, |
Jul 25 1984 |
A.R.E. S.A.R.L. |
Filter cartridge having a honeycombed outer surface, and method of manufacture |
4798850, |
May 19 1986 |
BTG International Limited |
Blended-fibre filter material |
4904174, |
Sep 15 1988 |
EXXON CHEMICAL PATENTS INC , A CORP OF DE |
Apparatus for electrically charging meltblown webs (B-001) |
5122048, |
Sep 24 1990 |
Exxon Chemical Patents Inc. |
Charging apparatus for meltblown webs |
5230800, |
Feb 20 1992 |
MINNESOTA MINING AND MANUFACTURING COMPANY A CORPORATION OF DE |
Scrim inserted electrostatic fibrous filter web |
5252111, |
Sep 01 1992 |
PREGIS HOLDING II CORPORATION; Pregis Corporation; PREGIS INNOVATIVE PACKAGING, INC ; PREGIS INTELLIPACK CORP |
Expandable multi-ply obliquely oriented honeycomb filter media |
5350620, |
Nov 14 1989 |
Minnesota Mining and Manufacturing |
Filtration media comprising non-charged meltblown fibers and electrically charged staple fibers |
5401446, |
Oct 09 1992 |
The University of Tennessee Research Corporation; UNIVERSITY OF TENNESSEE RESEARCH CORPORATION, THE |
Method and apparatus for the electrostatic charging of a web or film |
5496507, |
Aug 17 1993 |
Minnesota Mining and Manufacturing Company |
Method of charging electret filter media |
5512172, |
Jun 10 1994 |
MINNESOTA MINING AND MANUFACTUIRNG COMPANY |
Method for sealing the edge of a filter medium to a filter assembly and the filter assembly produced thereby |
RE30782, |
Mar 25 1974 |
MINNESOTA MINING AND MANUFACTURING COMPANY, A CORP OF DE |
Method for the manufacture of an electret fibrous filter |
WO9730771, |
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Maintenance Fee Events |
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Maintenance Schedule |
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