Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Thomas_A._Edison
|
| gptkbp:class |
H01K 1/00
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1889-11-05
|
| gptkbp:filingDate |
1878-10-14
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 414,011
|
| gptkbp:inventedBy |
gptkb:Thomas_A._Edison
|
| gptkbp:language |
English
|
| gptkbp:title |
Improvement in Electric Lamps
|
| gptkbp:type |
utility patent
|
| gptkbp:bfsParent |
gptkb:US_Patent_3991314
|
| gptkbp:bfsLayer |
7
|