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1353046
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Information
Patent Grant
1353046
References
Source
Patent Number
1,353,046
Date Filed
Not available
Date Issued
Tuesday, September 14, 1920
103 years ago
CPC
E04B2/8635 - with ties attached to the inner faces of the forms
E04B1/6158 - the connection made by formlocking
E04B1/6179 - with protrusions and recesses on each frontal surface
E04B2/38 - the walls being characterised by fillings in some of the cavities forming load-bearing pillars or beams
E04B2002/0252 - Dovetail keys
E04B2002/0265 - Building elements for making arcuate walls
E04B2002/867 - Corner details
US Classifications
052 - Static structures
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