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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_3,555,602
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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
US_5,678,901
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gptkbp:claims
|
10
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gptkbp:class
|
428/423
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gptkbp:documentType
|
patent document
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:fieldOfInvention
|
composite materials
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gptkbp:filingDate
|
March 15, 1969
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,555,602 A
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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:United_States
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gptkbp:issueDate
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January 19, 1971
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gptkbp:issuedOn
|
January 19, 1971
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gptkbp:language
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English
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gptkbp:legalStatus
|
active
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gptkbp:location
|
gptkb:United_States
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gptkbp:patentExpiration
|
January 19, 1988
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gptkbp:patentFamily
|
Hargreaves_composite_patents
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gptkbp:patentNumber
|
3,555,602
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gptkbp:patentType
|
utility
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gptkbp:priorityDate
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March 15, 1968
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gptkbp:relatedPatent
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US_3,456,789
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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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