Ballpoint pen
United States Patent D838778

Nakata, Takaaki (Kawagoe, JP)
Application Number:
Publication Date:
Filing Date:
KOTOBUKI & CO., LTD. (Kawagoe-shi, JP)
Primary Class:
Other Classes:
International Classes:
(IPC1-7): 1906
Field of Search:
D14/411, D19/115-204
View Patent Images:
US Patent References:
D618724Writing instrument2010-06-29GerulesD19/168
D600281Writing instrument2009-09-15DelancourtD19/170
D598952Magnifying pen2009-08-25KushnerD19/123
D544541Writing instrument2007-06-12LiD19/166
D488508Writing instrument2004-04-13FinneyD19/164
D452271Writing instrument2001-12-18OwenD19/164
D445454Writing instrument2001-07-24MartensD19/170
6019536Pen having a 3-dimensional pattern thereon2000-02-01Lee40/334
D368930Writing instrument1996-04-16PayneD19/168
D367887Ball-point pen1996-03-12CompteD19/174
D367673Fountain pen1996-03-05CompteD19/164
D360433Writing instrument1995-07-18PayneD19/174
D333486Ball point pen1993-02-23RousseauD19/164
D282753Writing instrument with a striped body1986-02-25LeBlancD19/163
D282553Writing instrument with contrasting striped body1986-02-11LeBlancD19/163
D273017Writing instrument1984-03-13BertracD19/168
D236917N/ASeptember, 1975MelnickD19/168
D234226N/AJanuary, 1975Maim et al.D10/49
D229357N/ANovember, 1973DeforesD19/170
D220139N/AMarch, 1971Di SpiritoD19/170
D201231N/AMay, 1965JenkinsD19/174
D191998N/ADecember, 1961DomanD19/179
2637906Combination scribing and compass unit1953-05-12Giossi33/27.02
D140697N/AMarch, 1945LovejoyD19/179
D099212N/AApril, 1936PetersD19/179
D087067N/AMay, 1932KolberD19/163

Primary Examiner:
Attorney, Agent or Firm:
FROST BROWN TODD LLC (3300 Great American Tower 301 East Fourth Street, Cincinnati, OH, 45202, US)

1. The ornamental design for a ballpoint pen, as shown and described.


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

FIG. 2 is a left side view of FIG. 1, the right side view being a mirror image of that shown in the left side view;

FIG. 3 is an enlarged top view of FIG. 1;

FIG. 4 is an enlarged bottom view of FIG. 1;

FIG. 5 is a front view of FIG. 1;

FIG. 6 is a back view of FIG. 1;

FIG. 7 is an enlarged cross-sectional view taken along the line 7-7 of FIG. 2;

FIG. 8 is an enlarged cross-sectional view taken along the line 8-8 of FIG. 2; and,

FIG. 9 is a left side view of FIG. 1 with the pen tip moved to a distal position.