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 |
| 7523964, |
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 |