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Patent
D631901
Priority
Jan 25 2010
Filed
Jan 25 2010
Issued
Feb 01 2011
Expiry
Feb 01 2025
Assg.orig
Entity
unknown
6
10
n/a
The ornamental design for a portable apparatus for determining leaks in air ducts, as shown and described.
FIG. 1 is an isometric view of the portable apparatus for determining leaks in air ducts looking downwardly on the top and front thereof;
FIG. 2 is an isometric view of the portable apparatus for determining leaks in air ducts looking downwardly on the top and rear thereof;
FIG. 3 an isometric view of the portable apparatus for determining leaks in air ducts looking upwardly on the bottom and rear thereof;
FIG. 4 is a front view of the portable apparatus for determining leaks in air ducts;
FIG. 5 is a top view of the portable apparatus for determining leaks in air ducts;
FIG. 6 is a bottom view of the portable apparatus for determining leaks in air ducts;
FIG. 7 is a side view of one side of the portable apparatus for determining leaks in air ducts;
FIG. 8 is a side view of the other side portable apparatus for determining leaks in air ducts; and,
FIG. 9 is a rear view of the portable apparatus for determining leaks in air ducts.
The broken lines in the drawings depict unclaimed environmental subject matter.
Brooks, Patrick J. , Fortner, Shawn Michael , Czerpak, Andrew N.
Patent
Priority
Assignee
Title
3950983 ,
Jul 05 1973
Treadwell Corporation
Air leak detector
4297687 ,
Feb 22 1980
CATERPILLAR INC , A CORP OF DE
Leak detection apparatus
6170320 ,
Jan 24 1997
MAINSTREAM ENGINEERING CORPORATION
Method of introducing an additive into a fluid system, especially useful for leak detection, as well as an apparatus for leak detection and a composition useful for leak detection
6850164 ,
Oct 03 2002
The Boeing Company
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D357264 ,
Jan 24 1994
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D359296 ,
Apr 29 1994
Solvent Recovery Technology, Inc.
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D365583 ,
Mar 03 1995
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D511703 ,
Apr 15 2004
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D570058 ,
Apr 06 2007
Rotobrush Int'l LLC; Rotobrush International LLC
Air duct cleaner tower and cart assembly
D619311 ,
Nov 02 2009
Safety-Kleen Systems, Inc.; FOUNTAIN INDUSTRIES CO
Multi-purpose parts washer with stainless steel plate
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a