U.S. patent number D321,720 [Application Number 07/367,225] was granted by the patent office on 1991-11-19 for ball-point pen. This patent grant is currently assigned to Nikko Pen Co., Ltd.. Invention is credited to Hidemi Sakurada.
United States Patent | D321,720 |
Sakurada | November 19, 1991 |
Inventors: | Sakurada; Hidemi (Setagaya, JP) |
---|---|
Assignee: | Nikko Pen Co., Ltd.
(JP) |
Appl. No.: | 07/367,225 |
Filed: | June 16, 1989 |
Sep 28, 1988 [JP] | 63-38029 | |||
Current U.S. Class: | D19/170; D19/934 |
Field of Search: | ;D19/36,35,41-51,54-58,81-85 ;401/29,34,35,36,37,209 |
D98522 | February 1936 | Juelss |
D137496 | March 1944 | Lustig |
D155613 | October 1949 | Kahn |
D215626 | October 1969 | Jonkers |
D253660 | December 1979 | Carre |
D254315 | February 1980 | Carre |
D259793 | July 1981 | Carre |
D270843 | October 1983 | Itoh |
D279115 | June 1985 | Nishida |
D280215 | August 1985 | Huang |
Nikko, NP-2C, 200 (Catalog). . Nikko, NP-3C, 250 (Catalog). . Nikko, NP-4C, 300 (Catalog).. |
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