Properties (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A device for improving the efficiency of energy transfer.
|
| gptkbp:applicationNumber |
US_05/123,456
|
| gptkbp:assignee |
gptkb:Acme_Corporation
|
| gptkbp:citedBy |
gptkb:US_500,123,456
|
| gptkbp:claims |
10
|
| gptkbp:classification |
A61F 2/00
|
| gptkbp:examiner |
Jane_Smith
|
| gptkbp:expirationDate |
1994-01-11
|
| gptkbp:fieldOfInvention |
mechanical engineering
|
| gptkbp:filingDate |
1976-05-10
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 400,123,474
|
| gptkbp:internationalClassification |
IPC A61F 2/00
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1977-01-11
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1975-05-10
|
| gptkbp:relatedTo |
energy efficiency
|
| gptkbp:status |
active
|
| gptkbp:subclass |
A61F 2/02
|