Expandable stopper with spout
United States Patent 2778545
US Patent References:
/0679201.html
- - 0679201

Regulating pourout for bottles
- - 2639839


Inventors:
Angelo, Sapia
Publication Date:
01/22/1957
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Assignee:
SAPIENT SALES CO INC
Primary Class:
222/482
International Classes:
B65D47/06