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Patent
D835482
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Priority
May 08 2015
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Filed
May 06 2016
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Issued
Dec 11 2018
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Expiry
Dec 11 2033
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Assg.orig
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Entity
unknown
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0
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25
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n/a
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The ornamental design for a wrench extension tool, as shown and described.
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The FIGURE is a top perspective view of an end of a wrench extension tool of my new design.
The dashed break line and the dashed line portion form no part of the claimed design.
Bolivar, Carlos
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 1371533, |
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| 1511738, |
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| 1689639, |
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| 1793714, |
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| 2652736, |
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| 2725773, |
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| 4644600, |
Apr 15 1985 |
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Extension handle for wrenches |
| 4960014, |
Sep 19 1989 |
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Extension handle for wrenches |
| 5832794, |
Apr 08 1997 |
|
Extension handle apparatus for wrenches |
| 8297154, |
Oct 01 2010 |
Plus Craft Industrial Co., Ltd. |
Combination wrench with greater strength and torque |
| 8931376, |
Feb 09 2012 |
|
Apparatus for extending the effective length of tool shanks and method for manufacturing |
| 905650, |
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| 20050183550, |
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| 20130098211, |
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| 20150251305, |
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| 20150258665, |
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| 20160129580, |
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| 20160325426, |
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| D298007, |
Dec 17 1985 |
|
Wrench extender |
| D328017, |
Oct 18 1989 |
|
Extension handle for wrenches |
| D394992, |
May 16 1997 |
|
Wrench extender |
| D421379, |
May 08 1998 |
|
Wrench handle extension |
| D476203, |
Jan 30 2002 |
LOUDY, MISTY MAHAN |
Wrench extender |
| D598257, |
Feb 11 2005 |
|
Lug wrench extender |
| D630481, |
May 10 2010 |
LEE VALLEY TOOLS LTD |
Wrench extender |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a