|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D678475
|
|
Priority
May 03 2011
|
|
Filed
May 03 2011
|
|
Issued
Mar 19 2013
|
|
Expiry
Mar 19 2027
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
17
|
|
28
|
|
n/a
|
|
|
|
The ornamental design for the butterfly valve handle extension, as shown and described.
|
FIG. 1 is an isometric view of the butterfly valve handle extension of this invention;
FIG. 2 is an end view thereof, the opposite end view being a mirror image thereof;
FIG. 3 is a side view, the opposite side view being a mirror image thereof; and,
FIG. 4 is a top view, the bottom view being a mirror image thereof.
Sisk, David E.
| Patent |
Priority |
Assignee |
Title |
| 9976677, |
Mar 15 2013 |
BRAY INTERNATIONAL, INC |
Dual use coupling end for pipes and fittings |
| D770595, |
Apr 10 2014 |
SMC Corporation |
Fluid pressure cylinder |
| D794164, |
Apr 10 2014 |
SMC Corporation |
Fluid pressure cylinder |
| ER1330, |
|
|
|
| ER2007, |
|
|
|
| ER2276, |
|
|
|
| ER2908, |
|
|
|
| ER3286, |
|
|
|
| ER3983, |
|
|
|
| ER4474, |
|
|
|
| ER5613, |
|
|
|
| ER5996, |
|
|
|
| ER6107, |
|
|
|
| ER726, |
|
|
|
| ER7392, |
|
|
|
| ER817, |
|
|
|
| ER8284, |
|
|
|
| Patent |
Priority |
Assignee |
Title |
| 1131371, |
|
|
|
| 1302891, |
|
|
|
| 2278421, |
|
|
|
| 2361006, |
|
|
|
| 2816729, |
|
|
|
| 2882010, |
|
|
|
| 3100500, |
|
|
|
| 3269414, |
|
|
|
| 3290001, |
|
|
|
| 3298677, |
|
|
|
| 3334650, |
|
|
|
| 3509905, |
|
|
|
| 3677297, |
|
|
|
| 3680833, |
|
|
|
| 3778028, |
|
|
|
| 3904173, |
|
|
|
| 3960177, |
Mar 12 1975 |
|
Low torque and low noise butterfly valve disc |
| 4335738, |
Jun 19 1979 |
|
Butterfly valve |
| 4449267, |
May 26 1982 |
|
Floor seal strip |
| 4469305, |
Oct 22 1981 |
|
Low torque butterfly valve disc |
| 4660323, |
Mar 07 1986 |
|
Hollow door sealing wedge |
| 4848396, |
Jan 10 1986 |
POLAR CORPORATION |
Cast hopper tee |
| 5360030, |
Oct 14 1993 |
Delaware Capital Formation |
Butterfly valve incorporating sleeve seals |
| 5842681, |
Feb 26 1996 |
Knappco Corporation |
Pivotal hopper tee with alignable swing-away hopper tee assembly |
| 6607177, |
Oct 26 2001 |
Salco Products, Inc. |
Hopper tee mounting assembly |
| 6616123, |
Oct 26 2001 |
SALCO PRODUCTS, INC |
Hopper tee mounting assembly |
| 6786362, |
Nov 18 2002 |
Knappco Corporation |
Swing-away hopper tee |
| 965322, |
|
|
|
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a