Properties (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A device for improving efficiency.
|
| gptkbp:applicationNumber |
05/598,123
|
| gptkbp:assignee |
gptkb:Acme_Corporation
|
| gptkbp:citedBy |
US_5,000,000
|
| gptkbp:claims |
20
|
| gptkbp:class |
mechanical device
|
| gptkbp:description |
This invention relates to...
|
| gptkbp:examiner |
Jane_Smith
|
| gptkbp:expirationDate |
1994-01-04
|
| gptkbp:fieldOfInvention |
mechanical engineering
|
| gptkbp:filingDate |
1975-06-30
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 4,000,490 B1
|
| gptkbp:internationalClassification |
F03G
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1977-01-04
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
US_4,000,490
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1975-06-30
|
| gptkbp:relatedTo |
gptkb:US_4,000,489_B1
|
| gptkbp:status |
active
|
| gptkbp:subclass |
energy conversion
|