Combined twin-nibbed marker and ball-point pen

- Colleen Pencil Co. Ltd.

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FIG. 1 is a front elevational view of a combined twin-nibbed marker and ball-point pen showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a perspective view in an exploded condition; and

FIG. 8 is a perspective view in an alternative exploded condition.

Referenced Cited
U.S. Patent Documents
D279224 June 11, 1985 Wolbrom
D300331 March 21, 1989 Horntrich
3782600 January 1974 Columbus
4573818 March 4, 1986 Kodera
4600328 July 15, 1986 Clements
4652163 March 24, 1987 Karliner et al.
Patent History
Patent number: D306315
Type: Grant
Filed: Apr 24, 1987
Date of Patent: Feb 27, 1990
Assignee: Colleen Pencil Co. Ltd. (Tokyo)
Inventor: Koichi Shintani (Kashiwa)
Primary Examiner: James R. Largen
Assistant Examiner: Martha Thompson
Attorney: Michael J. Striker
Application Number: 7/43,197