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Twin-nibbed marking pen
D313620 Twin-nibbed marking pen

Patent Drawings:
Inventor: Yazaki
Date Issued: January 8, 1991
Application: 07/134,522
Filed: December 18, 1987
Inventors: Yazaki; Katsuhiko (Urawa, JP)
Assignee: Mitsubishi Pencil Co., Ltd. (Tokyo, JP)
Primary Examiner: Holtje; Nelson C.
Assistant Examiner: Thompson; Martha
Attorney Or Agent:
U.S. Class: D19/36; D19/43; D19/48; D19/51
Field Of Search: D19/35; D19/36; D19/41; D19/42; D19/43; D19/44; D19/45; D19/46; D19/47; D19/48; D19/49; D19/50; D19/51; D19/54; D19/55; D19/56; D19/57; D19/58; 401/17; 401/18; 401/34; 401/202; 401/243; 401/244; 401/245; 401/246; 401/247; 401/195
International Class:
U.S Patent Documents: D279992; D295537; D295878; D300640; 1495890; 3684389; 3765780; 4509875; 4557618
Foreign Patent Documents:
Other References: Visual Systems Co. Inc., Catalog .COPYRGT.1985 See p. 125 top left, Berol double ended marker, Desk copy..

Abstract:
Claim: The ornamental design for a twin-nibbed marking pen, as shown and described.
Description: FIG. 1 is a perspective view of a twin-nibbed marking pen showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view, the left side being a mirror image thereof;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of my design with the cap members removed for convenience of illustration;

FIG. 8 is a front elevational view of FIG. 7;

FIG. 9 is a top plan view of FIG. 7; and

FIG. 10 is a bottom plan view of FIG. 7.

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