US 4,555,570 B2

GPTKB entity

Properties (36)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of a specific process.
gptkbp:applicationNumber 06/670,123
gptkbp:applicationPublicationNumber US_1985/000123
gptkbp:applicationType utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 10
gptkbp:class C01B
gptkbp:country gptkb:United_States
gptkbp:documentType B2
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2005-11-26
gptkbp:fieldOfInvention Chemical_engineering
gptkbp:filingDate 1984-11-30
gptkbp:firstClaim A method for...
https://www.w3.org/2000/01/rdf-schema#label US 4,555,570 B2
gptkbp:internationalClassification C01B32/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1985-11-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Chemical_Engineering,_1984.
gptkbp:patentCitation US_4,000,000
gptkbp:patentFamily US_4,555,570_B2,_US_4,555,571_B2
gptkbp:patentLength 20 years
gptkbp:patentNumber 4,555,570
gptkbp:patentType granted patent
gptkbp:priorityDate 1984-11-30
gptkbp:relatedTo US_4,000,000
gptkbp:status active
gptkbp:subclass C01B 32/00
gptkbp:title Method for improving efficiency of a process