Writing instrument

- Pentel Kabushiki Kaisha

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Description

FIG. 1 is a front elevational view of a writing instrument showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a perspective view;

FIG. 7 is a top plan view with the cap member removed for convenience of illustration;

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

FIG. 9 is a view similar to the FIG. 8 showing wherein an auxilliary nestable unit is disclosed therein by means of broken lines for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
825985 July 1906 Schwertenberg
4026086 May 31, 1977 Langley
4060952 December 6, 1977 Hernandez
4582447 April 15, 1986 Itoh
4702633 October 27, 1987 Schmidt
Foreign Patent Documents
357413 August 1922 DE2
2125452 December 1972 DEX
3049467 July 1982 DEX
3504261 August 1986 DEX
707772 July 1931 FRX
59-184687 December 1984 JPX
191868 September 1937 CHX
Other references
  • B. A. Pargh Company, Inc., 1985-86 Fall Winter Catalog, See Staedtler dual marker upper right, p. 28.
Patent History
Patent number: D312659
Type: Grant
Filed: Dec 22, 1987
Date of Patent: Dec 4, 1990
Assignee: Pentel Kabushiki Kaisha (Tokyo)
Inventor: Shigeo Oka (Tokyo)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/136,638