Container closure assembly
United States Patent 3140020

Inventors:
Martin, Spier I.
Publication Date:
07/07/1964
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Assignee:
BEACON PLASTIC & METAL PROD
Primary Class:
Other Classes:
222/557
International Classes:
A47G19/24; B65D43/16; B65D47/26; A47G19/00; B65D47/04
US Patent References:
2907502Ballast discharge device