Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:application |
US23389879A
|
| gptkbp:assignee |
gptkb:Thomas_A._Edison
|
| gptkbp:class |
H01K1/00
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
1881-01-27
|
| gptkbp:describes |
Describes improvements in electric lamps, specifically the incandescent lamp.
|
| gptkbp:filingDate |
1879-10-21
|
| gptkbp:inventedBy |
gptkb:Thomas_A._Edison
|
| gptkbp:language |
English
|
| gptkbp:patent |
310827
|
| gptkbp:relatedTo |
gptkb:incandescent_lamp
|
| gptkbp:title |
Improvement in electric lamps
|
| gptkbp:bfsParent |
gptkb:Harriet_Strong
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
US310827A
|