US 2,555,629 B2

GPTKB entity

Properties (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber Serial No. 12345678
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy US_3,000,000
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1971-05-29
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1951-05-01
https://www.w3.org/2000/01/rdf-schema#label US 2,555,629 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1951-05-29
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to...
gptkbp:patentCitation US 2,555,628 B2
gptkbp:patentFamily US_2,555,629_B2,_US_2,555,630_B2
gptkbp:patentInventor 20 years
gptkbp:patentNumber 2,555,629
gptkbp:patentType utility
gptkbp:priorityDate 1950-05-01
gptkbp:relatedTo US 2,555,628 B2
gptkbp:status active
gptkbp:subclass energy conversion