Title:
Mold locking ring
United States Patent 2981977
Inventors:
Fannen, John J.
Publication Date:
05/02/1961
Export Citation:
Assignee:
SUPER MOLD CORP
Primary Class:
Other Classes:
292/256.69, 425/47
International Classes:
B29D30/06; B29D30/54; B29C35/02; B29D30/06; B29D30/52; B29C35/02
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US Patent References:
Foreign References:
FR549989A
GB481883A
GB551457A
GB664608A