Ballpoint pen
Latest Kabushiki Kaisha Pilot Patents:
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
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
Classifications
Current U.S. Class:
Substantially Circular Or Oval In Cross Section (D19/51);
Lateral Striation (D19/48);
Clip (D19/56);
Nib, Stylus Or Grip (D19/55)
International Classification: 1906;
International Classification: 1906;