US 03,890,134 B2

URI: https://gptkb.org/entity/US_03%2C890%2C134_B2
GPTKB entity
Statements (26)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a high temperature superconducting material.
gptkbp:applicationNumber 05/408,174
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy US_4,100,000
gptkbp:class C01G 49/00
gptkbp:country gptkb:United_States
gptkbp:documentType patent grant
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention superconductivity
gptkbp:filingDate October 24, 1974
https://www.w3.org/2000/01/rdf-schema#label US 03,890,134 B2
gptkbp:internationalClassification H01L_39/00
gptkbp:inventor gptkb:Robert_H._McDonald
gptkbp:issuedOn June 24, 1975
gptkbp:language English
gptkbp:legalStatus active
gptkbp:numberOfClaims 10
gptkbp:patentFamily US_03,890,134_B2,_US_4,100,000,_US_4,200,000
gptkbp:patentType utility
gptkbp:priorityDate January 31, 1974
gptkbp:publicationDate June 24, 1975
gptkbp:relatedTo superconducting materials
gptkbp:status granted
gptkbp:subclass C01G 49/02
gptkbp:title Method of making a high temperature superconducting material