US 3,000,233 B2

GPTKB entity

Statements (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_12345678
gptkbp:applicationPublication gptkb:US_3,000,233_A1
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy US_4,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a new mechanism.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1959-06-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,233 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalEvent assignment
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentAbstract A novel device for energy efficiency.
gptkbp:patentCitation US_2,500,000
gptkbp:patentClassification mechanical engineering
gptkbp:patentExpiration 1981-09-26
gptkbp:patentFamily US_3,000,233_B2,_US_3,000,234_B2
gptkbp:patentField energy technology
gptkbp:patentFilingDate 1961-09-26
1959-06-01
gptkbp:patentInventor gptkb:John_Doe
20 years
gptkbp:patentNumber 3,000,233
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentOwner gptkb:Example_Corp.
gptkbp:patentStatus active
in force
gptkbp:patentType utility
Utility patent for inventions.
gptkbp:priorityDate 1958-06-01
gptkbp:relatedTo US_2,000,000
gptkbp:status active
gptkbp:subclass energy conversion