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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
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05/575,198
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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_4,567,890
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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:fieldOfUse
|
composite materials
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gptkbp:filingDate
|
March 30, 1975
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gptkbp:firstClaim
|
A composite material comprising...
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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,000,994
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gptkbp:internationalClassification
|
C08L 23/00
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|
gptkbp:inventor
|
gptkb:Robert_H._Hargreaves
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gptkbp:issueDate
|
December 28, 1976
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gptkbp:issuedBy
|
December 28, 1976
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gptkbp:legalStatus
|
lapsed
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gptkbp:maintenanceFee
|
not paid
|
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gptkbp:patentFamily
|
US_4,000,994_family
|
|
gptkbp:patentInventor
|
20 years
|
|
gptkbp:patentType
|
utility
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|
gptkbp:priorityDate
|
April 30, 1975
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|
gptkbp:relatedPatent
|
gptkb:US_4,000,993
US_4,000,995
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|
gptkbp:status
|
expired
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gptkbp:subclass
|
428/424
C08L 23/00
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|
gptkbp:title
|
Method of making a composite material
|