Title:
Retractable ball pen
United States Patent 2778337


Inventors:
Lovejoy, Charles K.
Application Number:
US38694653A
Publication Date:
01/22/1957
Filing Date:
10/19/1953
Assignee:
SCRIPTO INC
Primary Class:
Other Classes:
401/217
International Classes:
B43K24/06
View Patent Images:
US Patent References:
2595001Mechanical writing instrument1952-04-29
2565601Writing instrument1951-08-28
2565556Ball point fountain pen1951-08-28
2427068Ball-point writing instrument1947-09-09
Foreign References:
GB181624A1922-06-22
GB641595A1950-08-16
FR976412A1951-03-19