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Extrusion apparatus
US 2,859,476 A
Filed
: 08/01/1955
Issued
: 11/11/1958
Est. Priority Date
: 08/01/1955
Status: Expired due to Term
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Current Assignee
John J. Lainson
Original Assignee
John J. Lainson
Inventors
Lainson, John J.
Application Number
US03/525,513
Time in Patent Office
1,198 Days
Field of Search
US Class Current
425/462
CPC Class Codes
B29C 48/09
Articles with cross-section...
B29C 48/21
the layers being joined at ...
B29C 48/327
with centering means
B29C 48/336
the components merging one ...
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