Properties (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
This invention relates to electric light fixtures.
|
| gptkbp:applicationNumber |
US_1457998
|
| gptkbp:assignee |
Doe Industries
|
| gptkbp:citedBy |
gptkb:US_2000000001_A1
|
| gptkbp:claims |
10 claims
|
| gptkbp:classification |
H01H 9/00
|
| gptkbp:currentStatus |
expired
|
| gptkbp:examiner |
gptkb:James_Smith
|
| gptkbp:fieldOfUse |
electric lighting
|
| gptkbp:filingDate |
1921-01-12
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 1457998 A
|
| gptkbp:internationalClassification |
H01
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1923-06-12
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
granted
|
| gptkbp:patentFamily |
Doe patent family
|
| gptkbp:patentLength |
20 years
|
| gptkbp:patentType |
utility patent
|
| gptkbp:priorityDate |
1921-01-12
|
| gptkbp:relatedTo |
lighting technology
|
| gptkbp:title |
Improvement in Electric Light Fixtures
|