US 1,234,819 B2

GPTKB entity

Properties (63)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of widgets.
gptkbp:applicationNumber 06/900,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_1,567,890_B2
gptkbp:claims 10
gptkbp:class Mechanical Device
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1986-05-30
gptkbp:hasFeature 2020-07-25
2014-07-25
https://www.w3.org/2000/01/rdf-schema#label US 1,234,819 B2
gptkbp:internationalClassification F16B 2/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1989-07-25
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Required
gptkbp:patentCitation gptkb:US_1,234,823_B2
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US 1,234,836 B2
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US_1,234,848_B2
gptkbp:patentExpiration 2009-07-25
gptkbp:patentFamily US_1,234,819_B2,_US_1,234,820_B2
gptkbp:patentLength 20 years
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1986-05-30
gptkbp:relatedTo gptkb:US_1,234,818_B2
gptkbp:status Active
gptkbp:subclass Widget_Technology
gptkbp:title Method for improving widget efficiency