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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 structure.
This patent describes a method for creating a composite structure using specific materials.
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gptkbp:applicationDate
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March 30, 1975
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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
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gptkb:McDonald_Engineering_Company
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gptkbp:citedBy
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gptkb:US_4,123,456_A
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gptkbp:claims
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10
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gptkbp:examiner
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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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March 30, 1975
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gptkbp:firstClaim
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A method for making a composite structure comprising...
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https://www.w3.org/2000/01/rdf-schema#label
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US 4,000,028 A
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gptkbp:internationalClassification
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C08J 5/18
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gptkbp:inventor
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gptkb:Robert_H._McDonald
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:inventorResidence
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gptkb:California
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gptkbp:issueDate
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December 28, 1976
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gptkbp:issuedOn
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December 28, 1976
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gptkbp:legalStatus
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Lapsed
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gptkbp:maintenanceFee
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Not paid
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gptkbp:patentCitation
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gptkb:US_3,456,789_A
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gptkbp:patentClassification
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B32B 5/26
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gptkbp:patentFamily
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US_4,000,028_A,_US_4,123,456_A
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gptkbp:patentLength
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20 years
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gptkbp:patentType
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Utility patent
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gptkbp:priorityDate
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April 30, 1975
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gptkbp:publicationNumber
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gptkb:US_4000028_A
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gptkbp:relatedPatent
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US 3,987,654 A
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gptkbp:status
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Expired
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gptkbp:title
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Method of making a composite structure
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