US 4,123,406 B2

URI: https://gptkb.org/entity/US_4%2C123%2C406_B2
GPTKB entity
Properties (39)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_05/908,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_5,678,910
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:country gptkb:United_States
gptkbp:description This patent describes a novel device.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1995-10-31
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1978-06-30
https://www.w3.org/2000/01/rdf-schema#label US 4,123,406 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1978-10-31
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:keywords device, efficiency, mechanical
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:marketedAs gptkb:Acme_Corporation
gptkbp:notableFeature high efficiency
gptkbp:patentCitation US_3,456,789
gptkbp:patentFamily US_4,123,406_B2,_US_4,567,890,_US_5,678,910
gptkbp:patentLink https://patents.google.com/patent/US4123406B2
gptkbp:patentNumber 4,123,406
gptkbp:patentType utility
gptkbp:priorityDate 1977-06-30
gptkbp:relatedPatent US_4,567,890
gptkbp:relatedTo US_4,567,890
gptkbp:status active
gptkbp:subclass energy efficiency