Ballpoint pen

- Kabushiki Kaisha Pilot
Description

FIG. 1 is a front view of a ballpoint pen showing my new design, with a writing tip in a retracted position;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a magnified cross sectional view taken along line 7--7 in FIG. 1;

FIG. 8 is a magnified cross sectional view taken along line 8--8 in FIG. 1;

FIG. 9 is a magnified cross sectional view taken along line 9--9 in FIG. 1;

FIG. 10 is a magnified cross sectional view taken along line 10--10 in FIG. 1;

FIG. 11 is a perspective view thereof; and,

FIG. 12 is a right side view thereof with the writing tip in an extended position.

Referenced Cited
U.S. Patent Documents
D113633 March 1939 Kahn
D169307 April 1953 Ferber
D202952 November 1965 Stephens, Jr.
D204527 April 1966 Bich
D216844 March 1970 Shimada
D220070 March 1971 Iwasaki
D259727 June 30, 1981 Zierhut
D269189 May 31, 1983 Sakaoka
D355673 February 21, 1995 Takahashi
D374893 October 22, 1996 Vazawa
2770221 November 1956 Tonkowich
Patent History
Patent number: D401624
Type: Grant
Filed: Jun 16, 1997
Date of Patent: Nov 24, 1998
Assignee: Kabushiki Kaisha Pilot (Tokyo)
Inventor: Makoto Sakuno (Tokyo)
Primary Examiner: Martie Thompson
Law Firm: Kanesaka & Takeuchi
Application Number: 0/74,672