Patent
   D328017
Priority
Oct 18 1989
Filed
Oct 18 1989
Issued
Jul 21 1992
Expiry
Jul 21 2006
Assg.orig
Entity
unknown
14
8
n/a
The ornamental design for an extension handle for wrenches, as shown and described.

FIG. 1 is a left side elevational view of an extension handle for wrenches showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged top plan view of the handle portion thereof;

FIG. 8 is an enlarged side elevational view of the handle portion thereof; and,

FIG. 9 is a perspective view thereof.

Boeke, John H., Graves, Glen

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Patent Priority Assignee Title
1371533,
1689639,
2490739,
3769863,
4104935, Sep 07 1976 Flat wrench extender tool
4644600, Apr 15 1985 Extension handle for wrenches
4960014, Sep 19 1989 Extension handle for wrenches
D312031, May 12 1988 TRI-R PRODUCTS, INC Safety handle attachment for hand wrenches
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