Title:
Syringe structure
United States Patent 2869541


Inventors:
Helmer, Norman D.
Easton, Fred H.
Application Number:
US55897156A
Publication Date:
01/20/1959
Filing Date:
01/13/1956
Assignee:
Helmer, Norman D.
Easton, Fred H.
Primary Class:
Other Classes:
403/27, 403/112, D24/114
International Classes:
A61M5/315
View Patent Images:
US Patent References:
2742041Combination pre-sterilized syringe and container1956-04-17
2578812Injection syringe1951-12-18
2460039Hypodermic syringe1949-01-25
2373520Hypodermic syringe1945-04-10
1687324Hypodermic syringe1928-10-09
1434381Hypodermic syringe1922-11-07
Foreign References:
DE67033C
GB551545A1943-02-26
DE807113C1951-06-25