Writing instrument

- Pentel Kabushiki Kaisha

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Description

FIG. 1 is a front elevational view of a writing instrument showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is an enlarged cross-sectional view taken along lines 6--6 of FIG. 1;

FIG. 7 is an enlarged cross-sectional view taken along lines 7--7 of FIG. 1; and

FIG. 8 is a perspective view of FIG. 1.

Referenced Cited
U.S. Patent Documents
D128390 July 1941 Christenson, Jr.
D166114 March 1952 Lust
D215768 October 1969 Horie
D216844 March 1970 Shimada
D269189 May 31, 1983 Sakaoka
Other references
  • Visual Systems Company, Inc., .COPYRGT.1985, p. 135, see Mars 777-15 Perpetual Pencil, upper right.
Patent History
Patent number: D308396
Type: Grant
Filed: Feb 25, 1987
Date of Patent: Jun 5, 1990
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventor: Shungo Sekiguchi (Naritahigashi)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/18,574