Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:intellectual_property
|
| gptkbp:application |
GB1855001234
|
| gptkbp:country |
gptkb:United_Kingdom
|
| gptkbp:date_granted |
1855
|
| gptkbp:description |
a type of mechanical device for improving efficiency.
|
| gptkbp:field_of_use |
mechanical engineering
|
| https://www.w3.org/2000/01/rdf-schema#label |
Pratt's Patent
|
| gptkbp:invention |
gptkb:Thomas_Pratt
|
| gptkbp:may_be_assigned_to |
gptkb:Thomas_Pratt_&_Co.
|
| gptkbp:related_to |
industrial machinery
|
| gptkbp:status |
expired
|
| gptkbp:bfsParent |
gptkb:Daniel_Pratt
|
| gptkbp:bfsLayer |
6
|