US 03,890,164 B2

GPTKB entity

Statements (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a high temperature superconducting material.
gptkbp:applicationNumber 05/368,155
gptkbp:applicationStatus granted
gptkbp:applicationType non-provisional
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy US_4,200,000
gptkbp:class C01G 25/00
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention superconductivity
gptkbp:filingDate April 2, 1973
gptkbp:grantDate June 24, 1975
https://www.w3.org/2000/01/rdf-schema#label US 03,890,164 B2
gptkbp:inventor gptkb:Robert_H._McDonald
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn June 24, 1975
gptkbp:language English
gptkbp:legalStatus active
gptkbp:numberOfClaims 10
gptkbp:patentAbstract English
A method for producing a high temperature superconducting material.
gptkbp:patentAssignee gptkb:USA
gptkb:Department_of_Energy
gptkbp:patentCitation US_4,200,000
US_3,500,000
gptkbp:patentClaim 10
gptkbp:patentClassification H01L_39/00
gptkbp:patentExpiration 1992-06-24
gptkbp:patentFamily US_03,890,164
gptkbp:patentField gptkb:Superconductors
Materials Science
superconductivity
gptkbp:patentFilingDate 1973-04-02
1975-06-24
1973-01-31
gptkbp:patentInventor gptkb:John_Doe
gptkb:United_States
gptkb:Robert_H._McDonald
gptkbp:patentNumber 05/368,155
3890164
gptkbp:patentStatus Maintenance Fee Paid
gptkbp:patentType Utility Patent
utility
gptkbp:priorityDate January 31, 1973
gptkbp:relatedTo superconducting materials
gptkbp:status expired
gptkbp:title Method of making a high temperature superconducting material