Title:
Writing instrument
United States Patent D400922


Inventors:
Sakuno, Makoto (Tokyo, JP)
Application Number:
29/059413
Publication Date:
11/10/1998
Filing Date:
09/10/1996
Assignee:
Kabushiki Kaisha Pilot (Tokyo, JP)
Primary Class:
Other Classes:
D19/916, D19/923
Field of Search:
D19/35, D19/36, D19/41-51, D19/53-58, D19/81-85, 401/99, 401/100, 401/209, 401/103, 401/104, 401/88, 401/110, 401/111
View Patent Images:
US Patent References:
D374893Ball point penOctober, 1996YazawaD19/51
D355673Writing instrumentFebruary, 1995TakahashiD19/56
D338038Ball point penAugust, 1993Oka et al.D19/55
D338039Writing instrumentAugust, 1993TakahashiD19/47
D259727Writing instrumentJune, 1981ZierhutD19/56
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 writing instrument, as shown and described.

Description:

FIG. 1 is a front view of the first embodiment of a writing instrument showing my new design in the form of a ballpoint pen;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side 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 right side view of FIG. 1 with the writing tip in an extended position;

FIG. 10 is a front view of the second embodiment of the writing instrument of FIG. 1 showing my new design in the form of a mechanical pencil;

FIG. 11 is a rear view of FIG. 10;

FIG. 12 is a right side view of FIG. 10;

FIG. 13 is a top plan view of FIG. 10;

FIG. 14 is a bottom plan view of FIG. 10;

FIG. 15 is a left side view of FIG. 10;

FIG. 16 is a magnified cross sectional view taken along line 16--16 in FIG. 10;

FIG. 17--17 is a magnified cross sectional view taken along line 17--17 in FIG. 10; and,

FIG. 18 is a right side view of FIG. 10 with the writing tip in an extended position.