Plural-nibbed ball-point pen
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Description
FIG. 1 is a front elevational view of a plural-nibbed ball-point pen showing our new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a right side elevational view;
FIG. 4 is a top plan view;
FIG. 5 is a bottom plan view;
FIG. 6 is a right side elevational view with the bottom nib in an "in use" position; and,
FIG. 7 is a right side elevational view thereof with the top nib in an "in use" position and the bottom nib in a retracted position.
Referenced Cited
U.S. Patent Documents
D133540 | August 1942 | Kahn |
D143508 | January 1946 | Reynolds |
D155285 | September 1949 | Green et al. |
D174249 | March 1955 | Daniels |
D306316 | February 27, 1990 | Shintani |
D306458 | March 6, 1990 | Lecce |
D312478 | November 27, 1990 | Lecce |
D328917 | August 25, 1992 | Shike et al. |
2883968 | April 1959 | Vertiz |
3288116 | November 1966 | Poritz |
4266881 | May 12, 1981 | Rubens |
Patent History
Patent number: D334589
Type: Grant
Filed: Sep 6, 1991
Date of Patent: Apr 6, 1993
Assignee: Tokai Corporation (Kanagawa)
Inventors: Tsutomu Shike (Shizuoka), Isao Inoue (Shizuoka), Kenji Yamazaki (Shizuoka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Martha Thompson
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 7/756,125
Type: Grant
Filed: Sep 6, 1991
Date of Patent: Apr 6, 1993
Assignee: Tokai Corporation (Kanagawa)
Inventors: Tsutomu Shike (Shizuoka), Isao Inoue (Shizuoka), Kenji Yamazaki (Shizuoka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Martha Thompson
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 7/756,125
Classifications