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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 with improved properties.
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gptkbp:applicationNumber
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gptkb:US_3,555,577
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gptkbp:applicationType
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non-provisional
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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_A
gptkb:US_5,678,901_A
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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:filingDate
|
April 12, 1968
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,555,577 A
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gptkbp:internationalClassification
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C08L 23/00
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gptkbp:inventor
|
gptkb:Robert_H._Hargreaves
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gptkbp:inventorCountry
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gptkb:United_States
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gptkbp:issuedOn
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January 19, 1971
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gptkbp:legalStatus
|
lapsed
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gptkbp:numberOfClaims
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10
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gptkbp:numberOfFigures
|
5
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gptkbp:patentFamily
|
US_3,555,577_A,_US_4,123,456_A
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|
gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:patentType
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utility
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gptkbp:priorityDate
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April 12, 1968
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gptkbp:relatedTo
|
composite manufacturing
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gptkbp:status
|
expired
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gptkbp:subclass
|
428/424
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gptkbp:title
|
Method of making a composite material
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