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Process for shaping sheet plastic material
US 2,949,639 A
Filed
: 05/17/1955
Issued
: 08/23/1960
Est. Priority Date
: 05/17/1955
Status: Expired due to Term
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Current Assignee
Hiram W. Woodward
Original Assignee
Hiram W. Woodward
Inventors
Woodward, Hiram W.
Application Number
US03/508,964
Time in Patent Office
1,925 Days
Field of Search
US Class Current
264/280
CPC Class Codes
B29C 51/22
rotatable about an axis
B29C 51/225
mounted on a vacuum drum fo...
B65B 47/02
with means for heating the ...
Y10S 264/37
Processes and molds for mak...
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