Statements (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Patent
|
| gptkbp:applicationNumber |
X1647
|
| gptkbp:assignee |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:fieldOfUse |
Mechanical Engineering
|
| https://www.w3.org/2000/01/rdf-schema#label |
US Patent 1647
|
| gptkbp:issuedBy |
gptkb:John_A._McCulloch
|
| gptkbp:issuedOn |
July 12, 1840
|
| gptkbp:patentNumber |
1647
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Improvement in the mode of constructing and using the steam engine
|