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Patent
D723140
Priority
Jul 11 2012
Filed
Jan 10 2013
Issued
Feb 24 2015
Expiry
Feb 24 2029
Assg.orig
Entity
unknown
0
21
n/a
The ornamental design for an aeration tube , as shown and described.
FIG. 1 is a perspective view of an aeration tube showing our new design;
FIG. 2 is a front elevational view; the rear elevational view is a mirror image of the front view;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a right side elevational view thereof.
The broken line showing is included for the purpose of illustrating portions of the article and boundaries of the claimed subject matter and forms no part of the claimed design.
Sasakawa, Manabu , Furuno, Shinsuke
Patent
Priority
Assignee
Title
Patent
Priority
Assignee
Title
3109875 ,
4960546 ,
Apr 19 1989
Charles E., Tharp
Diffuser mounting arrangement for waste water aeration systems
5330688 ,
May 27 1993
ENVIROQUIP INTERNATIONAL, INC
Flexible diffuser assembly for aeration applications
5587114 ,
Jun 06 1995
ENVIRONMENTAL DYNAMICS INTERNATIONAL, INC
Aeration system employing retrievable aeration modules
5597264 ,
Jun 30 1995
Leaching field and method of making
5616288 ,
Jun 26 1995
Aeration apparatus and method of aerating liquids
5988943 ,
Sep 18 1997
Liquid distribution device for drainfields
6482627 ,
Apr 20 2001
D&P Industries, Inc.
Composting device with internal aeration tube
8500107 ,
Oct 22 2007
MAPAL GREEN ENERGY LTD
Aeration device for the introduction of gas bubbles into a liquid medium
D273804 ,
Nov 27 1980
Modular liquid or gas manifold for a swimming pool solar heater
D311053 ,
Jan 13 1988
Elongated shower head with plural spray nozzles
D353873 ,
Oct 26 1993
Fog-making apparatus
D357970 ,
May 11 1993
Aeration spray arm unit for use in swimming pools
D375540 ,
Jun 26 1995
Aeration unit
D416074 ,
Mar 20 1998
PPI Corporation Pty. Ltd.
Water tap for use in microirrigation systems
D648426 ,
Jan 29 2010
Mitsubishi Chemical Corporation
Aeration pipe unit
D652123 ,
Jun 01 2009
Crystal Spring Colony Farms Ltd
Water supply pipe
D652900 ,
Jan 29 2010
Mitsubishi Chemical Corporation
Aeration pipe unit
D675715 ,
May 03 2012
DIE MOLD TOOL LIMITED
Manifold with side ports
D687925 ,
Sep 11 2012
Rotating spray bar
D705391 ,
Mar 07 2012
Mitsubishi Chemical Corporation
Degassing aeration membrane module
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a