US 4400039 A

GPTKB entity

Statements (41)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of a specific industrial process.
gptkbp:applicationNumber 06/267,123
gptkbp:applicationPublication 1981-12-01
gptkbp:applicationStatus abandoned
gptkbp:applicationType Utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_4500000_A
gptkbp:claims 10
gptkbp:class C12M_1/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse industrial processes
gptkbp:filingCountry gptkb:USA
gptkbp:filingDate 1981-05-27
https://www.w3.org/2000/01/rdf-schema#label US 4400039 A
gptkbp:internationalClassification C12M_1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1983-08-30
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Industrial_Processes,_1980.
gptkbp:patentAbstract A method for improving the efficiency of a process.
gptkbp:patentCitation US_4300000_A
gptkbp:patentClassification C12M
gptkbp:patentExpiration 2003-08-30
gptkbp:patentFamily US_4400039_A,_US_4500000_A,_US_4600000_A
gptkbp:patentField process improvement
gptkbp:patentNumber 4400039
gptkbp:patentOwner gptkb:XYZ_Corporation
gptkbp:patentType granted patent
gptkbp:priorityDate 1981-05-27
gptkbp:publications A
gptkbp:relatedTo US 4400040 A
gptkbp:status granted
gptkbp:subclass C12M 1/02
gptkbp:technologyDomain chemical engineering
gptkbp:title Method for improving efficiency of a process