US 3,567,890 A

URI: https://gptkb.org/entity/US_3%2C567%2C890_A
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improvement in widget technology that enhances efficiency.
gptkbp:applicationNumber US_3,567,890
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_4,567,890_A
gptkbp:claims 10
gptkbp:classification U.S._Class_123/456
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:Robert_Brown
gptkbp:expirationDate 1991-03-02
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1970-05-15
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,567,890 A
gptkbp:inventor gptkb:John_Doe
Jane_Smith
gptkbp:issueDate 1971-03-02
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal of Widget Technology, 1970.
gptkbp:patentCitation US_2,345,678_A
gptkbp:patentFamily US_3,567,890_A,_US_4,567,890_A
gptkbp:patentType granted patent
gptkbp:priorityDate 1969-05-15
gptkbp:relatedTo gptkb:US_3,456,789_A
gptkbp:status granted
gptkbp:subclass 123/456.1
gptkbp:title Improvement in Widget Technology