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Class Information
Number: D25/14
Name: Building units and construction elements > Structure > Grain storage
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
D378136 Grain bin with side walls having integral vertical stiffeners and air conduits Feb. 18, 1997
D347480 Mini square silo May. 31, 1994
D302044 Shelter Jul. 4, 1989
4563844 Grain elevator Jan. 14, 1986
4450657 Pre-fabricated grain elevator May. 29, 1984
D265226 Combined water storage tank and building Jun. 29, 1982
4265065 Silo May. 5, 1981
D254508 Building Mar. 18, 1980
D254392 Building Mar. 4, 1980
4159580 Grain drying bin Jul. 3, 1979











 
 
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