Properties (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A device for improving efficiency.
|
| gptkbp:applicationNumber |
Serial No. 123456
|
| gptkbp:assignee |
gptkb:Acme_Corporation
|
| gptkbp:citedBy |
US_3,000,000
|
| gptkbp:claims |
10
|
| gptkbp:class |
mechanical device
|
| gptkbp:examiner |
Jane_Smith
|
| gptkbp:fieldOfInvention |
mechanical engineering
|
| gptkbp:filedIn |
gptkb:United_States
|
| gptkbp:filingDate |
1947-01-15
|
| gptkbp:firstClaim |
A device comprising...
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,444,444 B2
|
| gptkbp:internationalClassification |
F03G
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1948-07-20
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
required
|
| gptkbp:patentFamily |
US_2,444,444_B2_family
|
| gptkbp:patentLength |
20 years
|
| gptkbp:patentNumber |
2,444,444
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1946-01-15
|
| gptkbp:relatedTo |
gptkb:US_2,444,443_B2
|
| gptkbp:status |
active
|
| gptkbp:subclass |
energy conversion
|