Properties (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A device for improving efficiency.
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:citedBy |
gptkb:US_3,456,789_A
|
| gptkbp:classification |
mechanical engineering
|
| gptkbp:filingDate |
1940-01-15
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,222,220 O
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1940-11-26
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:relatedTo |
gptkb:US_2,222,221_O
|