Properties (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A device for improving efficiency.
|
| gptkbp:applicationNumber |
gptkb:US_2,890,498
|
| gptkbp:assignee |
gptkb:Acme_Corporation
|
| gptkbp:citedBy |
gptkb:US_3,456,789_B2
|
| gptkbp:claims |
20
|
| gptkbp:class |
mechanical device
|
| gptkbp:description |
This patent describes a novel mechanical device.
|
| gptkbp:drawings |
5
|
| gptkbp:examiner |
Jane_Smith
|
| gptkbp:fieldOfInvention |
mechanical engineering
|
| gptkbp:filingDate |
1959-05-01
|
| gptkbp:firstClaim |
A device comprising...
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 2,890,498 B2
|
| gptkbp:internationalClassification |
F03D 1/00
|
| gptkbp:inventor |
gptkb:John_Doe
|
| gptkbp:issueDate |
1959-06-30
|
| gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
US_2,890,498_B2,_US_3,456,789_B2
|
| gptkbp:patentLength |
20 years
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
1958-05-01
|
| gptkbp:relatedTo |
US_2,890,497_B2
|
| gptkbp:status |
active
|
| gptkbp:subclass |
energy efficiency
|