Properties (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationNumber |
gptkb:US_2,500,019
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:fieldOfInvention |
Electrical Engineering
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,500,019 A
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issuedOn |
1950-09-12
|
| gptkbp:patentType |
Utility Patent
|
| gptkbp:priorityDate |
1948-05-15
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Improvement in Electric Light Fixtures
|