US 2,555,638 A

GPTKB entity

Properties (90)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving the efficiency of widget manufacturing.
gptkbp:applicationNumber US_1234567
gptkbp:assignee Doe Industries
gptkbp:assigneeCountry gptkb:New_York
gptkbp:citedBy US_3,000,000_A
gptkbp:claims 10
gptkbp:classification Class 123, Subclass 456
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1971-05-29
gptkbp:fieldOfUse Manufacturing
gptkbp:filingDate 1951-01-12
gptkbp:firstClaim gptkb:US_2,555,639_A
https://www.w3.org/2000/01/rdf-schema#label US 2,555,638 A
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1951-05-29
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:maintenanceFee Paid
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gptkbp:patentFamily Doe Patent Family
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1950-01-12
gptkbp:relatedPatent gptkb:US_2,555,640_A
gptkbp:relatedTo gptkb:US_2,555,637_A
gptkbp:status Expired
gptkbp:title Improvement in Widget Manufacturing