Writing instrument
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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
Other references
D128390 | July 1941 | Christenson, Jr. |
D166114 | March 1952 | Lust |
D215768 | October 1969 | Horie |
D216844 | March 1970 | Shimada |
D269189 | May 31, 1983 | Sakaoka |
- 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
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
Classifications