Ballpoint pen
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Description
FIG. 1 is a top, right front perspective view of a ballpoint pen showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a left side elevational view in an exploded condition.
Referenced Cited
U.S. Patent Documents
Other references
D98265 | January 1936 | Lynn |
D104939 | June 1937 | Hauton |
D128390 | July 1941 | Christenson, Jr. |
D146527 | March 1947 | Shetlin |
D209993 | January 1968 | Horie |
D221033 | June 1971 | Wakai |
D221265 | July 1971 | Wakai |
D273399 | April 10, 1984 | Zierhut |
D282754 | February 25, 1986 | LeBlanc et al. |
D284676 | July 15, 1986 | Malm |
D308396 | June 5, 1990 | Sekiguchi |
- Jacobs Gardner Office Products .COPYRGT.1988 see item J p. 584, lower center-desk copy.
Patent History
Patent number: D328311
Type: Grant
Filed: Apr 25, 1989
Date of Patent: Jul 28, 1992
Assignee: Tokai Corporation (Yokohama)
Inventor: Tomio Nitta (Yokohama)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Martha Thompson
Law Firm: Nikaido, Marmelstein, Murray & Oram
Application Number: 7/344,142
Type: Grant
Filed: Apr 25, 1989
Date of Patent: Jul 28, 1992
Assignee: Tokai Corporation (Yokohama)
Inventor: Tomio Nitta (Yokohama)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Martha Thompson
Law Firm: Nikaido, Marmelstein, Murray & Oram
Application Number: 7/344,142
Classifications