US 2,555,622 B2

URI: https://gptkb.org/entity/US_2%2C555%2C622_B2
GPTKB entity
Properties (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber Serial No. 12345678
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_3,000,000
gptkbp:claims 10
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 2,555,622 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:USA
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_2,555,620_B2
gptkbp:patentFamily US_2,555,622_B2,_US_2,555,623_B2
gptkbp:patentNumber 2,555,622
gptkbp:patentType utility
gptkbp:priorityDate 1950-05-01
gptkbp:relatedTo gptkb:US_2,555,621_B2
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:title Improved Mechanical Device