Title:
Writing instrument
United States Patent 2610612


Inventors:
Martin, Lynn P.
Application Number:
US8093149A
Publication Date:
09/16/1952
Filing Date:
03/11/1949
Assignee:
SHEAFFER W A PEN CO
Primary Class:
International Classes:
B43K5/04
View Patent Images:
US Patent References:
2432061Writing instrument1947-12-02
2139045Fountain pen1938-12-06
1801635Fountain pen1931-04-21
1607048Pen-filling mechanism1926-11-16
1134936N/A1915-04-06
Foreign References:
GB154712A1920-12-03
GB291353A1928-12-13
FR822691A1938-01-05