US 3839404142 C1

GPTKB entity

Properties (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving energy efficiency in industrial processes.
gptkbp:applicationNumber US_3839404142
gptkbp:applicationType Utility
gptkbp:assignee Example Corporation
gptkbp:citedBy US_1234567890
gptkbp:claims 10
gptkbp:classification H02J 3/00
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1991-09-24
gptkbp:fieldOfUse energy efficiency
gptkbp:filingDate 1973-09-24
https://www.w3.org/2000/01/rdf-schema#label US 3839404142 C1
gptkbp:internationalClassification H02J 3/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy 1974-09-24
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:patentAbstract filed
Method for improving efficiency in industrial processes.
gptkbp:patentAssignee Example Corporation
gptkbp:patentCitation US_1234567890_C1
gptkbp:patentClaim 10 claims.
gptkbp:patentClassification H02J 3/00
gptkbp:patentExpiration 1991-09-24
gptkbp:patentFamily US_3839404142_family
gptkbp:patentField energy efficiency
gptkbp:patentFilingDate published
gptkbp:patentInventor gptkb:John_Doe
Jane_Smith
gptkbp:patentLitigation none
gptkbp:patentNumber 3839404142
gptkbp:patentOwner Example Corporation
gptkbp:patentStatus active
gptkbp:patentType gptkb:US_3839404142_A1
granted
Utility patent
granted patent
US 3839404141 C1
gptkbp:priorityDate 1972-09-24
gptkbp:relatedTo US 3839404141 C1
gptkbp:status granted
gptkbp:technologyArea renewable energy
gptkbp:title Method for improving efficiency