PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
Patent
D498771
|
Priority
Mar 14 2003
|
Filed
Mar 14 2003
|
Issued
Nov 23 2004
|
Expiry
Nov 23 2018
|
|
Assg.orig
|
|
Entity
unknown
|
3
|
5
|
n/a
|
|
|
The ornamental design for a dual coil fitting, as shown and described.
|
FIG. 1 is a perspective view of the fitting;
FIG. 2 is a typical front view of the fitting;
FIG. 3 is a typical side view of the fitting;
FIG. 4 is a bottom view of the fitting; and,
FIG. 5 is a top view of the fitting.
Hibbs, John C.
Patent |
Priority |
Assignee |
Title |
11892201, |
Mar 15 2013 |
|
Installation apparatus/tool for tubular geothermal heat exchanger systems and methods |
9897347, |
Mar 15 2013 |
|
Screw-in geothermal heat exchanger systems and methods |
D648835, |
Apr 16 2010 |
Charter Plastics, Inc. |
Geothermal U-bend socket fusion fitting |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a