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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 composite material.
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gptkbp:applicationNumber
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05/368,174
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gptkbp:applicationType
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utility
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gptkbp:assignee
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gptkb:Hargreaves_Industries,_Inc.
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gptkbp:citedBy
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gptkb:US_4,123,456
US_5,678,901
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gptkbp:class
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428/423
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:fieldOfInvention
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composite materials
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gptkbp:filedIn
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gptkb:Robert_H._Hargreaves
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gptkbp:grantDate
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June 24, 1975
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,890,236 B2
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gptkbp:internationalClassification
|
C08L 23/00
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gptkbp:inventor
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gptkb:Robert_H._Hargreaves
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gptkbp:issuedOn
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June 24, 1975
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gptkbp:legalStatus
|
granted
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gptkbp:maintenanceFee
|
paid
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gptkbp:numberOfClaims
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10
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gptkbp:patentFamily
|
Hargreaves_composite_patents
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gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:priorityDate
|
August 1, 1973
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gptkbp:relatedPatent
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gptkb:US_3,890,237_B2
gptkb:US_3,890,235_B2
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gptkbp:status
|
active
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gptkbp:subclass
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428/424
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gptkbp:title
|
Method of making a composite material
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