Patent
   D444171
Priority
Jun 22 2000
Filed
Jun 22 2000
Issued
Jun 26 2001
Expiry
Jun 26 2015
Assg.orig
Entity
unknown
44
12
n/a
The ornamental design for a double cartridge writing instrument, as shown and described.

FIG. 1 is a side view of a double cartridge writing instrument showing my new design;

FIG. 2 is a top end view;

FIG. 3 is a writing-tip end view;

FIG. 4 is a side view with the plunger depressed to expose the writing tip;

FIG. 5 is a top end view of an alternate embodiment of FIG. 1 including a firing pin mark on the plunger end face;

FIG. 6 is a side view of an alternate embodiment of FIG. 1 including an alternative top end bevel and body length;

FIG. 7 is a top end view of the embodiment illustrated in FIG. 6 including a second alternative firing pin mark;

FIG. 8 is a side view of an alternate embodiment of FIG. 1 including a round nose tip;

FIG. 9 is a side view of an alternate embodiment of FIG. 1 including a flat nose tip; and,

FIG. 10 is a writing-tip end view of the embodiment illustrated in FIG. 9.

The portion of the top end shown in broken lines in FIGS. 5 and 7 and spelling the words "HEAD STAMP" is for illustrative purposes only and forms no part of the claimed design.

McCullough, Don E.

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