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Mold for making plastic grids
US 2,566,817 A
Filed
: 12/09/1948
Issued
: 09/04/1951
Est. Priority Date
: 12/09/1948
Status: Expired due to Term
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Current Assignee
Edward Yellin
Original Assignee
Edward Yellin
Inventors
EDWARD YELLIN
Application Number
US03/064,353
Time in Patent Office
999 Days
Field of Search
US Class Current
249/60
CPC Class Codes
B29C 45/2628
with mould parts forming ho...
B29C 45/2673
with exchangeable mould par...
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