US 2,678,900 B1

GPTKB entity

Properties (44)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationDate 1954-05-10
gptkbp:applicationNumber US_2,678,900
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_3,456,789_B1
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1971-05-18
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1954-05-10
https://www.w3.org/2000/01/rdf-schema#label US 2,678,900 B1
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1954-05-18
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:notableFeature high efficiency
gptkbp:patentAbstract This patent describes a device that enhances mechanical efficiency.
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation US_2,678,899_B1
gptkbp:patentExpiration 1971-05-18
gptkbp:patentFamily US_2,678,900_B1_family
gptkbp:patentField mechanical engineering
gptkbp:patentFilingDate 1954-05-18
1954-05-10
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentLitigation none
gptkbp:patentNumber 2,678,900
gptkbp:patentStatus active
gptkbp:patentType utility
granted patent
gptkbp:priorityDate 1953-05-10
gptkbp:relatedPatent US_2,678,899_B1
gptkbp:relatedTo US_2,678,899_B1
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:title Improved Mechanical Device