Twin-nibbed ball-point pen
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Description
FIG. 1 is a top, left front perspective view of a twin-nibbed ball-point pen showing my new design in an exploded condition;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a right side elevational view thereof.
Referenced Cited
U.S. Patent Documents
D103570 | March 1937 | Hauton |
D114530 | May 1939 | Deli et al. |
D151233 | October 1948 | Goessling |
D155285 | September 1949 | Green et al. |
D166161 | March 1952 | Hanle |
D169307 | April 1953 | Ferber |
D206735 | January 1967 | Levy |
D284676 | July 15, 1986 | Malm |
D306316 | February 27, 1990 | Shintani |
D310542 | September 11, 1990 | Regnault |
D318688 | July 30, 1991 | Regnault |
Patent History
Patent number: D328917
Type: Grant
Filed: Apr 5, 1990
Date of Patent: Aug 25, 1992
Assignee: Tokai Corporation (Yokohama)
Inventors: Tsutomu Shike (Yokohama), Isao Inoue (Yokohama)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Martha Thompson
Law Firm: Nikaido, Marmelstein, Murray & Oram
Application Number: 7/505,946
Type: Grant
Filed: Apr 5, 1990
Date of Patent: Aug 25, 1992
Assignee: Tokai Corporation (Yokohama)
Inventors: Tsutomu Shike (Yokohama), Isao Inoue (Yokohama)
Primary Examiner: Donald P. Walsh
Assistant Examiner: Martha Thompson
Law Firm: Nikaido, Marmelstein, Murray & Oram
Application Number: 7/505,946
Classifications