Combined twin-nibbed ball point pen and marking pen

Sumino December 4, 1

Patent Grant D312658

U.S. patent number D312,658 [Application Number 07/097,582] was granted by the patent office on 1990-12-04 for combined twin-nibbed ball point pen and marking pen. This patent grant is currently assigned to Mitsubishi Pencil Co., Ltd.. Invention is credited to Masayuki Sumino.


United States Patent D312,658
Sumino December 4, 1990

Combined twin-nibbed ball point pen and marking pen

Claims

The ornamental design for combined twin-nibbed ball-point pen and marking pen, as shown and described.
Inventors: Sumino; Masayuki (Yokohama, JP)
Assignee: Mitsubishi Pencil Co., Ltd. (Tokyo, JP)
Appl. No.: 07/097,582
Filed: September 16, 1987

Foreign Application Priority Data

Mar 16, 1987 [JP] 62-9984
Current U.S. Class: D19/117; 401/199; 401/202; 401/35; D19/924
Field of Search: ;D19/35,36,41-51,54-58 ;401/34,35,195

References Cited [Referenced By]

U.S. Patent Documents
D279992 August 1985 Gribb
D289368 April 1987 Mann
D303683 September 1989 Brock
D303991 October 1989 Murphy
Foreign Patent Documents
357413 Dec 1920 DE2
3504261 Aug 1986 DE
707772 Jul 1931 FR

Other References

B A. Pargh Company, Inc. .COPYRGT.1985, see p. 28, Dual Marker (Staedtler), upper right corner..

Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Thompson; Martha

Description



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.

* * * * *


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