Title:
Ball-pointed pen
United States Patent 2560811


Inventors:
Morris HY. D.
Application Number:
US2347948A
Publication Date:
07/17/1951
Filing Date:
04/27/1948
Assignee:
UNIVERSAL FOUNTAIN PEN & PENCI
Primary Class:
Other Classes:
401/187, 401/217
International Classes:
B43K7/03
View Patent Images:
US Patent References:
2444004Writing implement1948-06-22
2441280Fountain pen1948-05-11
2440829Writing instrument1948-05-04
2435123Fountain pen1948-01-27
2432061Writing instrument1947-12-02
2333451Marking device1943-11-02
2107424Marking device1938-02-08
2010950Fountain pen1935-08-13
1951057Marking pen1934-03-13
1447632Stylographic ink pencil1923-03-06
1319556N/A1919-10-21
0884412N/A1908-04-14
0562842N/A1896-06-30
Foreign References:
CH222566A1942-07-31