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gptkbp:instanceOf
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patent
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gptkbp:abstract
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A method for producing a ceramic material with improved properties.
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gptkbp:applicationNumber
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07/364,174
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gptkbp:applicationPublication
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gptkb:US_5,009,012_A
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gptkbp:applicationType
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non-provisional
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gptkbp:assignee
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gptkb:Hsu_&_Associates,_Inc.
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gptkbp:citedBy
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US_5,123,456
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gptkbp:claims
|
20
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gptkbp:class
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C04B 35/00
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:expirationDate
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April 23, 2008
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gptkbp:fieldOfUse
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ceramics
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gptkbp:filingDate
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June 5, 1989
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https://www.w3.org/2000/01/rdf-schema#label
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US 5,009,012
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gptkbp:internationalClassification
|
C04B35/00
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gptkbp:inventor
|
gptkb:Robert_J._H._Hsu
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:issueDate
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April 23, 1991
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gptkbp:issuedOn
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April 23, 1991
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gptkbp:legalStatus
|
lapsed
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gptkbp:maintenanceFee
|
paid
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gptkbp:patentCitation
|
gptkb:US_4,912,345
gptkb:US_4,996,789
gptkb:US_4,990,123
gptkb:US_4,991,234
gptkb:US_4,678,901
gptkb:US_4,967,890
gptkb:US_4,989,012
gptkb:US_4,993,456
gptkb:US_4,997,890
gptkb:US_4,978,901
gptkb:US_4,994,567
gptkb:US_4,998,901
gptkb:US_4,956,789
gptkb:US_4,992,345
gptkb:US_4,995,678
gptkb:US_4,934,567
gptkb:US_4,945,678
gptkb:US_4,999,012
US 4,901,234
US_4,567,890
US_4,789,012
US_4,890,123
US_4,923,456
|
|
gptkbp:patentFamily
|
Hsu_Patent_Family
|
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
utility
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gptkbp:priorityDate
|
April 23, 1990
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gptkbp:relatedPatent
|
US_5,123,456
|
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gptkbp:relatedTo
|
US_5,123,456
|
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gptkbp:status
|
expired
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gptkbp:subclass
|
C04B 35/04
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gptkbp:title
|
Method for producing a high density, high purity, and high strength ceramic material
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