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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method for producing a composite material.
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gptkbp:applicationNumber
|
05/368,174
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gptkbp:applicationType
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Non-Provisional
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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
|
428/423
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
composite materials
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gptkbp:filingDate
|
April 2, 1973
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https://www.w3.org/2000/01/rdf-schema#label
|
US 03,890,141 B2
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gptkbp:internationalClassification
|
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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June 24, 1975
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gptkbp:legalStatus
|
Lapsed
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gptkbp:maintenanceFee
|
Not Paid
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gptkbp:patentFamily
|
Hargreaves_Composite_Family
|
|
gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
|
|
gptkbp:patentType
|
Utility Patent
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|
gptkbp:priorityDate
|
August 1, 1973
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gptkbp:publicationDate
|
June 24, 1975
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gptkbp:relatedPatent
|
gptkb:US_03,890,142_B2
US 03,890,140 B2
|
|
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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