Liquid ink ball pen

- Pentel Kabushiki Kaisha

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Description

FIG. 1 is a perspective view of a liquid ink ball pen showing my new design;

FIG. 2 is an exploded perspective view thereof;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D152030 December 1948 Shupack
D259792 July 7, 1981 Itoh
D260101 August 4, 1981 Gomez
Patent History
Patent number: D270843
Type: Grant
Filed: Oct 16, 1981
Date of Patent: Oct 4, 1983
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventor: Kunio Itoh (Tokyo)
Primary Examiner: George P. Word
Attorneys: Robert E. Burns, Emmanuel J. Lobato, Bruce L. Adams
Application Number: 6/312,306
Classifications
Current U.S. Class: Substantially Circular Or Oval In Cross Section (D19/51); Longitudinal Striation (D19/49); Clip (D19/56)
International Classification: D1906;