Title:
Ballpoint pen
United States Patent D401624


Inventors:
Sakuno, Makoto (Tokyo, JP)
Application Number:
29/074672
Publication Date:
11/24/1998
Filing Date:
06/16/1997
Assignee:
Kabushiki Kaisha Pilot (Tokyo, JP)
Primary Class:
Other Classes:
D19/916, D19/923
Field of Search:
D19/35, D19/36, D19/41-51, D19/53, D19/54, D19/55-58, D19/81-85, 401/617, 401/88, 401/99, 401/100, 401/209
View Patent Images:
US Patent References:
D374893Ball point penOctober, 1996VazawaD19/48
D355673Writing instrumentFebruary, 1995TakahashiD19/48
D269189Mechanical pencil or similar articleMay, 1983SakaokaD19/56
D259727Writing instrumentJune, 1981ZierhutD19/51
D220070N/AMarch, 1971IwasakiD19/46
D216844N/AMarch, 1970ShimadaD19/49
D204527N/AApril, 1966BichD19/49
D202952N/ANovember, 1965Stephens, Jr.D19/49
2770221Fountain penNovember, 1956TonkowichD19/48
D169307N/AApril, 1953FerberD19/48
D113633N/AMarch, 1939KahnD19/47



Primary Examiner:
HOLTJE, MARTHA
Attorney, Agent or Firm:
KANESAKA BERNER AND PARTNERS LLP (2318 Mill Road Suite 1400, ALEXANDRIA, VA, 22314-2848, US)
Claims:
1. The ornamental design for a ballpoint pen, as shown and described.

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.