Writing instrument
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FIG. 1 is a front view of the first embodiment of a writing instrument showing my new design in the form of a ballpoint pen;
FIG. 2 is a rear view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a magnified cross sectional view taken along line 7--7 in FIG. 1;
FIG. 8 is a magnified cross sectional view taken along line 8--8 in FIG. 1;
FIG. 9 is a right side view of FIG. 1 with the writing tip in an extended position;
FIG. 10 is a front view of the second embodiment of the writing instrument of FIG. 1 showing my new design in the form of a mechanical pencil;
FIG. 11 is a rear view of FIG. 10;
FIG. 12 is a right side view of FIG. 10;
FIG. 13 is a top plan view of FIG. 10;
FIG. 14 is a bottom plan view of FIG. 10;
FIG. 15 is a left side view of FIG. 10;
FIG. 16 is a magnified cross sectional view taken along line 16--16 in FIG. 10;
FIG. 17--17 is a magnified cross sectional view taken along line 17--17 in FIG. 10; and,
FIG. 18 is a right side view of FIG. 10 with the writing tip in an extended position.
Type: Grant
Filed: Sep 10, 1996
Date of Patent: Nov 10, 1998
Assignee: Kabushiki Kaisha Pilot (Tokyo)
Inventor: Makoto Sakuno (Tokyo)
Primary Examiner: Martie Thompson
Law Firm: Kanesaka & Takeuchi
Application Number: 0/59,413
International Classification: 1906;
