Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Eli_H._Janney
|
| gptkbp:class |
railroad car couplings
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1873-01-29
|
| gptkbp:filingDate |
1873-01-29
|
| https://www.w3.org/2000/01/rdf-schema#label |
US749,165A
|
| gptkbp:inventedBy |
gptkb:Eli_H._Janney
|
| gptkbp:patent |
utility patent
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in Car-Couplings
|
| gptkbp:bfsParent |
gptkb:Julius_Kahn
|
| gptkbp:bfsLayer |
7
|