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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method for producing a composite material with improved properties.
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gptkbp:applicationDate
|
October 24, 1973
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gptkbp:applicationNumber
|
05/408,174
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gptkbp:assignee
|
gptkb:Hargreaves_Industries,_Inc.
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gptkbp:citedBy
|
gptkb:US_4,123,456
US_5,678,910
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gptkbp:claims
|
10
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gptkbp:class
|
C08L 23/00
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:expirationDate
|
June 24, 1992
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gptkbp:fieldOfInvention
|
composite materials
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gptkbp:filingDate
|
October 24, 1973
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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 3,890,125 B2
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gptkbp:internationalClassification
|
C08L 23/00
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gptkbp:inventiveStep
|
yes
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gptkbp:inventor
|
gptkb:Robert_H._Hargreaves
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gptkbp:issuedOn
|
June 24, 1975
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gptkbp:legalStatus
|
granted
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gptkbp:patentFamily
|
Hargreaves_composite_patents
|
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gptkbp:patentType
|
utility patent
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|
gptkbp:priorityDate
|
March 31, 1972
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gptkbp:publicationNumber
|
gptkb:US_3890125_A
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gptkbp:relatedPatent
|
gptkb:US_3,890,126_B2
|
|
gptkbp:status
|
expired
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gptkbp:technicalField
|
materials science
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gptkbp:title
|
Method of making a composite material
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