US 2,890,161 A

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving the efficiency of widget manufacturing.
gptkbp:applicationNumber US_12345678
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_3,456,789_A
gptkbp:claims 10
gptkbp:classification Class 123/456
gptkbp:country gptkb:United_States
gptkbp:duration 20 years
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing Processes
gptkbp:filingDate 1959-05-01
gptkbp:firstClaim A method for manufacturing widgets comprising the steps of...
https://www.w3.org/2000/01/rdf-schema#label US 2,890,161 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1959-06-16
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:maintenanceFee Required
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1958-05-01
gptkbp:relatedTo gptkb:US_2,890,160_A
gptkbp:status Expired
gptkbp:subclass 123/456.1
gptkbp:title Improvement in Widget Manufacturing