Properties (15)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:applicationNumber |
Serial No. 453,198
|
gptkbp:assignee |
gptkb:The_United_States_of_America
|
gptkbp:citedBy |
gptkb:U.S._Patent_3,000,000
|
gptkbp:class |
H01H
|
gptkbp:fieldOfUse |
electrical engineering
|
https://www.w3.org/2000/01/rdf-schema#label |
U.S. Patent 2,297,691
|
gptkbp:inventor |
gptkb:William_H._McCulloch
|
gptkbp:issuedOn |
September 22, 1942
|
gptkbp:patentLength |
20 years
|
gptkbp:patentType |
utility patent
|
gptkbp:priorArt |
gptkb:U.S._Patent_2,297,690
|
gptkbp:relatedTo |
gptkb:U.S._Patent_2,297,692
|
gptkbp:status |
expired
|
gptkbp:title |
Electrical_Circuit
|