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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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05/368,174
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gptkbp:applicationPublicationNumber
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US_03,890,143_A1
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gptkbp:applicationStatus
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Granted
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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
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gptkb:US_04,123,456
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gptkbp:class
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Composite materials
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gptkbp:examiner
|
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 2, 1973
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gptkbp:grantDate
|
June 24, 1975
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https://www.w3.org/2000/01/rdf-schema#label
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US 03,890,143 B2
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gptkbp:internationalClassification
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C08L 23/00
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gptkbp:inventor
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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:location
|
gptkb:United_States
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gptkbp:numberOfClaims
|
10
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gptkbp:patentAssignee
|
gptkb:Hargreaves_Industries,_Inc.
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gptkbp:patentCitation
|
gptkb:US_03,890,142_B2
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gptkbp:patentExpiration
|
1992
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gptkbp:patentFamily
|
Hargreaves_composite_patents
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gptkbp:patentField
|
Material science
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gptkbp:patentLink
|
https://patents.google.com/patent/US3890143B2
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gptkbp:patentNumber
|
03,890,143
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
Utility patent
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gptkbp:priorityDate
|
August 1, 1973
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gptkbp:publications
|
B2
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gptkbp:relatedTo
|
gptkb:US_03,890,142_B2
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gptkbp:status
|
Expired
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gptkbp:title
|
Method of making a composite material
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