Title:
Hypodermic syringe
United States Patent 2592381
Inventors:
Blackman, Theodore A.
Application Number:
US12111949A
Publication Date:
04/08/1952
Filing Date:
10/13/1949
Assignee:
PREMO PHARMACEUTICAL LAB INC
Primary Class:
Other Classes:
92/249
International Classes:
A61M5/315
View Patent Images:
US Patent References:
2456615N/A1948-12-21
2454567Radio shielding sealing gasket1948-11-23
1935494Plunger for hypodermic syringes and the like1933-11-14
1718474Piston1929-06-25
Foreign References:
GB611290A1948-10-27
DE632883C1936-07-15