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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
|
05/575,198
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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:assigneeCountry
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gptkb:California
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gptkbp:citedBy
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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:country
|
gptkb:United_States
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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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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,000,953
|
|
gptkbp:inventor
|
gptkb:Robert_H._Hargreaves
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gptkbp:inventorResidence
|
gptkb:California
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gptkbp:issuedBy
|
December 28, 1976
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gptkbp:language
|
English
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gptkbp:legalStatus
|
lapsed
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|
gptkbp:maintenanceFee
|
not paid
|
|
gptkbp:patentCitation
|
gptkb:US_4,123,456
gptkb:US_3,210,987
US 3,987,654
US_3,456,789
US_4,321,098
US_4,567,890
|
|
gptkbp:patentExpiration
|
December 28, 1993
|
|
gptkbp:patentFamily
|
Hargreaves_composite_patents
|
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gptkbp:patentNumber
|
4,000,953
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gptkbp:patentType
|
utility
|
|
gptkbp:priorityDate
|
April 30, 1975
|
|
gptkbp:publications
|
granted
|
|
gptkbp:relatedPatent
|
gptkb:US_4,123,456
US_4,567,890
|
|
gptkbp:status
|
expired
|
|
gptkbp:subclass
|
428/424
|
|
gptkbp:title
|
Method of making a composite material
|