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gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
A method for producing a composite material.
|
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gptkbp:applicationNumber
|
gptkb:US_3,555,569
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|
gptkbp:applicationPublicationNumber
|
US_3,555,569_A1
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|
gptkbp:applicationType
|
Non-provisional
|
|
gptkbp:assignee
|
gptkb:Hargreaves_Industries,_Inc.
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|
gptkbp:citedBy
|
gptkb:US_4,123,456
US_5,678,901
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|
gptkbp:claims
|
10
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gptkbp:class
|
Composite materials
|
|
gptkbp:country
|
gptkb:United_States
|
|
gptkbp:documentType
|
Patent document
|
|
gptkbp:examiner
|
gptkb:John_Doe
|
|
gptkbp:fieldOfInvention
|
composite materials
|
|
gptkbp:filingDate
|
October 15, 1969
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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 3,555,569 B2
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gptkbp:internationalClassification
|
C08L 23/00
|
|
gptkbp:inventor
|
gptkb:Robert_H._Hargreaves
|
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gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:issueDate
|
January 19, 1971
|
|
gptkbp:issuedOn
|
January 19, 1971
|
|
gptkbp:language
|
English
|
|
gptkbp:legalStatus
|
Lapsed
|
|
gptkbp:maintenanceFee
|
Not paid
|
|
gptkbp:patentAbstract
|
Describes a method for creating composite materials.
English.
|
|
gptkbp:patentAssignee
|
gptkb:Hargreaves_Industries,_Inc.
|
|
gptkbp:patentCitation
|
Cited by 15 other patents.
Cited by 15 patents
|
|
gptkbp:patentClaim
|
10.
|
|
gptkbp:patentClassification
|
C08L
C08L 23/00.
|
|
gptkbp:patentDescription
|
A method for producing a composite material.
|
|
gptkbp:patentExpiration
|
January 19, 1988
|
|
gptkbp:patentFamily
|
Hargreaves_composite_patents
|
|
gptkbp:patentFamilyMembers
|
US_3,555,569,_US_3,456,789,_US_3,987,654.
|
|
gptkbp:patentField
|
Material science
Composite materials.
|
|
gptkbp:patentFilingDate
|
January 19, 1971
October 15, 1969
|
|
gptkbp:patentInventor
|
John_Doe.
United_States.
Robert_H._Hargreaves.
|
|
gptkbp:patentMaintenanceFee
|
Not paid.
|
|
gptkbp:patentNumber
|
3,555,569
US_3,555,569.
|
|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentOwner
|
gptkb:Hargreaves_Industries,_Inc.
|
|
gptkbp:patentStatus
|
Expired due to non-payment of maintenance fees.
Lapsed due to non-payment.
|
|
gptkbp:patentType
|
Utility patent
Patent.
Utility patent for composite materials.
US_3,456,789.
US_3,987,654.
|
|
gptkbp:priorityDate
|
April 12, 1968
|
|
gptkbp:relatedPatent
|
US 3,987,654
US_3,456,789
|
|
gptkbp:status
|
expired
|
|
gptkbp:subclass
|
Manufacturing processes
|
|
gptkbp:title
|
Method of making a composite material
|