Statements (11)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:abstract |
A device for improving efficiency in mechanical systems.
|
gptkbp:applicationNumber |
gptkb:US_2,555,623_A
|
gptkbp:citedBy |
US_3,000,000
|
gptkbp:class |
mechanical device
|
gptkbp:fieldOfUse |
industrial machinery
|
https://www.w3.org/2000/01/rdf-schema#label |
US 2,555,623
|
gptkbp:issuedBy |
gptkb:John_Doe
|
gptkbp:issuedOn |
April 3, 1951
|
gptkbp:relatedTo |
mechanical engineering
|
gptkbp:status |
granted
|