Title:
Retractable-nib, capless fountain pen
United States Patent 3399946


Inventors:
Sadao, Tokorozawa
Katsuji, Iwasaki
Yoshio, Aoki
Application Number:
US55944866A
Publication Date:
09/03/1968
Filing Date:
06/22/1966
Assignee:
PILOT PEN CO LTD
Primary Class:
International Classes:
B43K5/17
View Patent Images:
US Patent References:
3292593Retractable nib fountain-pen1966-12-20
3280797Retractable closure for pen casings1966-10-25
3203403Fountain pen1965-08-31
2590943Fountain pen1952-04-01
2479414Closure for fountain pens1949-08-16
2401711Fountain pen1946-06-04