Properties (11)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:applicationNumber |
X00001
|
gptkbp:assignee |
gptkb:United_States_Government
|
gptkbp:description |
A method to improve steam engine efficiency.
|
gptkbp:fieldOfUse |
steam engines
|
https://www.w3.org/2000/01/rdf-schema#label |
US Patent 1,000
|
gptkbp:inventor |
gptkb:John_D._W._Smith
|
gptkbp:issuedOn |
August 8, 1846
|
gptkbp:patentNumber |
1,000
|
gptkbp:status |
expired
|
gptkbp:title |
Improvement in the mode of making and using the steam engine
|