US 3,000,021 B2

GPTKB entity

Statements (56)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_1234567
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy 10
US_3,500,000
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:collaborations gptkb:University_of_Technology
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1957-05-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,021 B2
gptkbp:impact high
gptkbp:innovation high
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:license available
gptkbp:maintenanceFee paid
gptkbp:market global
gptkbp:nonPatentCitation 2
gptkbp:patentAbstract high
gptkbp:patentCitation 2
10
renewable energy
gptkbp:patentClassification energy
mechanical
gptkbp:patentExpiration 1981-09-26
gptkbp:patentFamily US_3,000,021
gptkbp:patentField mechanical engineering
gptkbp:patentFilingDate 1957-05-01
1961-09-26
gptkbp:patentInventor gptkb:John_Doe
20 years
gptkbp:patentLitigation none
gptkbp:patentNumber 3,000,021
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentOwner Example Corporation
gptkbp:patentStatus active
gptkbp:patentType utility
Utility patent for a mechanical device.
gptkbp:priorityDate 1956-05-01
gptkbp:relatedTo US_2,500,000
gptkbp:researchField renewable energy
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:technology energy efficiency