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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_3,555,532
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gptkbp:applicationPublication
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gptkb:US_3,555,532_A
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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_5,678,910
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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
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April 12, 1968
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gptkbp:firstClaim
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A composite material comprising...
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gptkbp:grantDate
|
January 19, 1971
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,555,532 A
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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:inventorResidence
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gptkb:California
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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:maintenanceFee
|
not paid
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gptkbp:numberOfClaims
|
10
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gptkbp:patentCitation
|
US_3,654,321
US_3,123,456
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gptkbp:patentFamily
|
US_3,555,532_A_family
|
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gptkbp:patentLength
|
20 years
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gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:patentType
|
granted
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gptkbp:priorityDate
|
April 12, 1968
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gptkbp:relatedPatent
|
US_3,456,789
|
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gptkbp:status
|
expired
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gptkbp:title
|
Method of making a composite material
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