Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
This invention relates to an improved electric light bulb.
|
| gptkbp:applicationNumber |
US_2,123,419_A
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:citedBy |
US_3,456,789
|
| gptkbp:claims |
1. An electric light bulb comprising...
|
| gptkbp:fieldOfInvention |
Lighting
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,123,419
|
| gptkbp:issuedBy |
gptkb:John_Doe
|
| gptkbp:issuedOn |
1938-07-12
|
| gptkbp:patentType |
Utility Patent
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Improvement in Electric Light Bulbs
|