Title:
Plastic bag with a self-sealing valve
United States Patent 3009498


Inventors:
Matthias, Fohr
Application Number:
US66504457A
Publication Date:
11/21/1961
Filing Date:
06/11/1957
Assignee:
OERLIKON BUEHRLE AG
Primary Class:
Other Classes:
116/DIG.9, 137/223, 222/107, 222/527, 251/368, 383/904, 446/222, 604/408
International Classes:
B65D30/24
View Patent Images:
Foreign References:
FR61695E1955-05-17
CA488992A1952-12-23
GB683467A1952-11-26