AI-created image
Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Thomas_A._Edison
|
| gptkbp:class |
H01K1/00
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:describes |
An early patent for improvements in electric lamps, related to incandescent lighting.
|
| gptkbp:filingDate |
1877-11-04
|
| https://www.w3.org/2000/01/rdf-schema#label |
US178399A
|
| gptkbp:inventedBy |
gptkb:Thomas_A._Edison
|
| gptkbp:publicationDate |
1876-06-06
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in Electric Lamps
|
| gptkbp:bfsParent |
gptkb:Alexander_Graham_Bell
|
| gptkbp:bfsLayer |
3
|