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Insulated curtain wall structure
US 3,062,337 A
Filed
: 10/30/1958
Issued
: 11/06/1962
Est. Priority Date
: 10/30/1958
Status: Expired due to Term
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Current Assignee
John H. Zittle
Original Assignee
John H. Zittle
Inventors
Zittle, John H.
Application Number
US03/770,739
Time in Patent Office
1,468 Days
Field of Search
US Class Current
52/404.3
CPC Class Codes
E04B 1/76
specifically with respect t...
E04C 2/292
composed of insulating mate...
Y10T 428/17
Three or more coplanar inte...
Y10T 428/18
Longitudinally sectional la...
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