FIG. 1 is a perspective view of a circular sleeve coupling, showing our new
design, as seen obliquely from the front;
FIG. 2 is a perspective view of the sleeve coupling, as seen obliquely from
the back;
FIG. 3 is a side elevation of the sleeve coupling, the opposite side being
a mirror image thereto; and,
FIG. 4 is a front view of the sleeve coupling.
Patent |
Priority |
Assignee |
Title |
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Mar 24 2005 |
Langdon Incorporated |
Sealing gasket for ventilation duct system |
D427667, |
May 20 1999 |
Eastern Sheet Metal, Inc. |
Sleeve coupling |
D427668, |
May 20 1999 |
Eastern Sheet Metal, Inc. |
Sleeve coupling |
D427673, |
May 20 1999 |
Eastern Sheet Metal, Inc. |
Sleeve coupling |
D430482, |
May 20 1999 |
Eastern Sheet Metal, Inc. |
Sleeve coupling |
D435090, |
May 20 1999 |
EASTERN SHEET METAL INC |
Gasket |
D437034, |
May 20 1999 |
Eastern Sheet Metal, Inc. |
Gasket |
D446298, |
Sep 07 2000 |
SEMCO DUCT AND ACOUSTICAL PRODUCTS, INC |
Duct |
D475130, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Bell mouth with a crimped end |
D475447, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Bell mouth with an indented end |
D475448, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Duct with an indented end |
D475449, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Duct tap with an indented end |
D475778, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Offset duct with a crimped end |
D475779, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Offset duct with an indented end |
D475780, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Duct with a crimped end |
D476074, |
Mar 20 2001 |
EASTERN SHEET METAL INC |
Duct tap with a crimped end |
D478978, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Reducer with a crimped end |
D480132, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Reducer with an indented end |
D488217, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Bell mouth with a crimped end |
D488858, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with an indented end |
D488859, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Bell mouth with an indented end |
D489806, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with a crimped end |
D492024, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Reducer with an indented end |
D492025, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Reducer with a crimped end |
D501547, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with an indented end |
D501548, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct tap with an indented end |
D504503, |
Jun 10 2004 |
SEMCO DUCT AND ACOUSTICAL PRODUCTS, INC |
Duct link |
D521147, |
Mar 24 2005 |
Langdon Incorporated |
Portion of ductwork |
D521632, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with a crimped end |
D521633, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct tap with a crimped end |
D523131, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with an indented end |
D524436, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with a crimped end |
D527091, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with an indented end |
D528646, |
Mar 20 2001 |
Air Distribution Technologies IP, LLC |
Duct with a crimped end |
D529598, |
Mar 24 2005 |
Langdon Incorporated |
Portion of ductwork |
D534253, |
Mar 24 2005 |
Langdon Incorporated |
Gasket |
D586704, |
Apr 06 2006 |
Pioneer Weston International Limited |
Axle seal |
D974796, |
Dec 27 2021 |
SHENZHEN TAYLOR BONWE ELECTRONIC COMMERCE CO , LTD |
Record protector sleeve |