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)
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Appl.
No.: |
07/097,582 |
Filed: |
September 16, 1987 |
Foreign Application Priority Data
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Mar 16, 1987 [JP] |
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62-9984 |
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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
Foreign Patent Documents
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357413 |
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Dec 1920 |
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DE2 |
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3504261 |
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Aug 1986 |
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DE |
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707772 |
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Jul 1931 |
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FR |
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Other References
B A. Pargh Company, Inc. .COPYRGT.1985, see p. 28, Dual Marker
(Staedtler), upper right corner..
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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.
* * * * *