Statements (13)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:patent
|
gptkbp:application |
Serial No. 646,198
|
gptkbp:appointed_by |
1949-12-14
|
gptkbp:field |
fluid control
|
https://www.w3.org/2000/01/rdf-schema#label |
U. S. Patent 2,457,992
|
gptkbp:invention |
gptkb:William_H._Mc_Culloch
utility patent 2,457,992 |
gptkbp:participated_in |
gptkb:The_United_States_of_America
|
gptkbp:status |
expired
|
gptkbp:title |
Method of and apparatus for controlling the flow of fluids
|
gptkbp:bfsParent |
gptkb:Eames_Molded_Plywood_Dining_Chair_(1946)
|
gptkbp:bfsLayer |
5
|