Ballpoint pen

- Tokai Corporation

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Description

FIG. 1 is a right front perspective view of a ballpoint pen showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and

FIG. 8 is a left side elevational view thereof in an exploded condition, the right side being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D139903 January 1945 Baff
D221265 July 1971 Wakai
D280420 September 3, 1985 Verhaegue
D280737 September 24, 1985 Verhaegue
D282754 February 25, 1986 LeBlanc et al.
Other references
  • Jacobs Gardner .COPYRGT.1988 see p. 583, item K, Pentel pen upper right corner.
Patent History
Patent number: D326868
Type: Grant
Filed: Apr 25, 1989
Date of Patent: Jun 9, 1992
Assignee: Tokai Corporation (Yokohama)
Inventor: Tomio Nitta (Yokohama)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Martha Thompson
Law Firm: Nikaido, Marmelstein, Murray & Orem
Application Number: 7/344,141