Properties (11)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:applicationNumber |
US_1640000
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:filingDate |
1926-01-12
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 1640000 A
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:patentType |
utility
|
| gptkbp:publicationDate |
1927-08-02
|
| gptkbp:status |
expired
|
| gptkbp:title |
Improvement in Electric Light Fixtures
|