Patent
   D318489
Priority
Nov 17 1988
Filed
Nov 17 1988
Issued
Jul 23 1991
Expiry
Jul 23 2005
Assg.orig
Entity
unknown
6
16
n/a
The ornamental design for a combined ruler and writing instrument unit, as shown and described.

FIG. 1 is a top perspective view of a combined ruler and writing instrument unit showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a right end elevational view;

FIG. 5 is a left end elevational view;

FIG. 6 is a right side elevational view;

FIG. 7 is a left side elevational view; and

FIG. 8 is a top perspective view in an exploded condition with the writing tip portion of the writing instrument barrels shown in a fully extended condition.

Cho-Kai, Hu

Patent Priority Assignee Title
5570964, Apr 28 1994 Glue stick apparatus for a ring binder
D375759, Nov 07 1995 Writing implement having dual distance-measuring rulings
D492346, Oct 07 2003 Ruler pen
D564585, Aug 03 2006 Straight edge lid pen
D815685, Dec 09 2016 Writing instrument
D870810, Jan 25 2018 Writing instrument with measuring tools
Patent Priority Assignee Title
1227614,
181236,
185977,
2026768,
2277452,
2342476,
3195235,
422701,
469593,
185045,
193410,
D258911, Feb 16 1979 Graphic Controls Corporation Combined surgical ruler and pen or the like
D261612, Mar 02 1979 Combined ruler and letter opener
D264824, Nov 30 1979 Graphic Controls Corporation Combined surgical ruler and marking pen
D267552, Nov 10 1980 Multiple scale rule
D272421, Jan 29 1981 Graphic Controls Corporation Combined surgical ruler and pen or the like
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