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Cast pigmented plastic sheet
US 2,615,271 A
Filed
: 01/30/1948
Issued
: 10/28/1952
Est. Priority Date
: 01/30/1948
Status: Expired due to Term
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Current Assignee
Louis R. Burroughs
,
Walter Ulmer William
Original Assignee
Louis R. Burroughs
,
Walter Ulmer William
Inventors
WALTER ULMER WILLIAM
,
Burroughs, Louis R.
Application Number
US03/005,287
Time in Patent Office
1,733 Days
Field of Search
US Class Current
428/143
CPC Class Codes
B29C 48/08
flexible, e.g. films
B29C 48/9145
Endless cooling belts
Y10T 428/24372
Particulate matter
Y10T 428/24595
and varying density
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