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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
|
gptkb:US_3,456,828
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gptkbp:applicationType
|
non-provisional
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gptkbp:assignee
|
gptkb:Hargreaves_Industries,_Inc.
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gptkbp:citedBy
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gptkb:US_4,123,456_A
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gptkbp:claims
|
10
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gptkbp:class
|
428/423
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gptkbp:country
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gptkb:United_States
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gptkbp:documentType
|
patent document
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
composite materials
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gptkbp:filingDate
|
October 15, 1966
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https://www.w3.org/2000/01/rdf-schema#label
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US 3,456,828 A
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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:issueDate
|
July 15, 1969
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gptkbp:issuedOn
|
July 15, 1969
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gptkbp:language
|
English
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gptkbp:legalStatus
|
lapsed
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gptkbp:patentAbstract
|
A method for producing a composite material with improved properties.
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|
gptkbp:patentCitation
|
gptkb:US_3,456,827_A
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|
gptkbp:patentClaim
|
10 claims.
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gptkbp:patentExpiration
|
July 15, 1986
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gptkbp:patentFamily
|
Hargreaves_composite_patents
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gptkbp:patentField
|
materials science
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gptkbp:patentFilingDate
|
October 15, 1966
July 15, 1969
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gptkbp:patentNumber
|
3,456,828
3456828
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|
gptkbp:patentOffice
|
gptkb:USPTO
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|
gptkbp:patentOwner
|
gptkb:Hargreaves_Industries,_Inc.
|
|
gptkbp:patentStatus
|
expired
|
|
gptkbp:patentType
|
utility
utility patent
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|
gptkbp:priorityDate
|
April 15, 1966
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|
gptkbp:publications
|
granted patent
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gptkbp:relatedPatent
|
gptkb:US_3,456,829_A
|
|
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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