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Publication numberUSD312658 S
Publication typeGrant
Application numberUS 07/097,582
Publication dateDec 4, 1990
Filing dateSep 16, 1987
Priority dateMar 16, 1987
Publication number07097582, 097582, US D312658 S, US D312658S, US-S-D312658, USD312658 S, USD312658S
InventorsMasayuki Sumino
Original AssigneeMitsubishi Pencil Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Combined twin-nibbed ball point pen and marking pen
US D312658 S
Abstract  available in
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  1. The ornamental design for combined twin-nibbed ball-point pen and marking pen, as shown and described.

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

FIG. 2 is a front 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; and

FIG. 6 is a perspective view of my new design with the cap members removed for convenience of illustration.

Non-Patent Citations
1B. A. Pargh Company, Inc. 1985, see p. 28, Dual Marker (Staedtler), upper right corner.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6206598Sep 27, 1999Mar 27, 2001Samuel V. JohnsonCapping device
US6491464 *Oct 22, 2001Dec 10, 2002Jean YoungMulti-element pen
US7018122Sep 30, 2004Mar 28, 2006Sanford, L.P.Single- or double-ended multi-section nib marker
USD628635 *Jul 20, 2010Dec 7, 2010Beifa Group Co., Ltd.Pen
U.S. ClassificationD19/117, 401/202, 401/35, 401/199, D19/924