Properties (28)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:abstract |
A device for improving efficiency.
|
gptkbp:applicationNumber |
05/596,123
|
gptkbp:applicationType |
non-provisional
|
gptkbp:assignee |
gptkb:Acme_Corporation
|
gptkbp:citedBy |
US_5,000,000
|
gptkbp:claims |
20
|
gptkbp:class |
mechanical device
|
gptkbp:examiner |
Jane_Smith
|
gptkbp:expirationDate |
1994-12-28
|
gptkbp:fieldOfInvention |
mechanical engineering
|
gptkbp:filingDate |
1975-06-30
|
https://www.w3.org/2000/01/rdf-schema#label |
US 4,000,500 B2
|
gptkbp:internationalClassification |
F03G
|
gptkbp:inventor |
gptkb:John_Doe
|
gptkbp:inventorCountry |
gptkb:USA
|
gptkbp:issueDate |
1977-12-28
|
gptkbp:issuedBy |
gptkb:United_States_Patent_and_Trademark_Office
|
gptkbp:legalStatus |
granted
|
gptkbp:location |
gptkb:USA
|
gptkbp:maintenanceFee |
paid
|
gptkbp:patentFamily |
US_4,000,500_B2,_US_4,000,501_B2
|
gptkbp:patentNumber |
4000500
|
gptkbp:patentType |
utility
|
gptkbp:priorityDate |
1975-06-30
|
gptkbp:relatedTo |
gptkb:US_4,000,499_B2
|
gptkbp:status |
active
|
gptkbp:subclass |
energy efficiency
|