US 2,555,644 B2

URI: https://gptkb.org/entity/US_2%2C555%2C644_B2
GPTKB entity
Properties (53)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationDate 1951-05-14
gptkbp:applicationNumber gptkb:US_2,555,644
gptkbp:applicationType non-provisional
gptkbp:assignee Example 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:fieldOfUse industrial applications
gptkbp:filingDate 1951-05-14
https://www.w3.org/2000/01/rdf-schema#label US 2,555,644 B2
gptkbp:internationalClassification F03D 1/00
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 A device for improving efficiency in mechanical systems.
energy technology.
gptkbp:patentAssignee Example_Corporation.
gptkbp:patentCitation gptkb:US_2,555,643_B2
gptkbp:patentClaim 10 claims.
gptkbp:patentExpiration 1971-05-29
1971-05-29.
gptkbp:patentFamily US_2,555,644_B2,_US_2,555,645_B2
gptkbp:patentFamilyMembers US_2,555,644_B2,_US_2,555,645_B2.
gptkbp:patentField mechanical engineering
industrial applications.
gptkbp:patentFilingDate 1950-05-14.
1951-05-14.
1951-05-29.
gptkbp:patentInventor John_Doe.
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber 2,555,644
gptkbp:patentOwner Example Corporation
Example_Corporation.
gptkbp:patentStatus active
active.
gptkbp:patentType utility
granted patent
granted patent.
gptkbp:priorityDate 1950-05-14
gptkbp:relatedTo gptkb:US_2,555,643_B2
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:technologyDomain energy technology
gptkbp:title Improved Mechanical Device