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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method for producing a composite structure with improved properties.
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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
|
Non-provisional
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gptkbp:assignee
|
gptkb:McDonald_Engineering_Company
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gptkbp:citedBy
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gptkb:US_4,123,456_A
gptkb:US_4,567,890_A
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gptkbp:claims
|
10 claims
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gptkbp:examiner
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gptkb:John_Smith
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gptkbp:fieldOfInvention
|
Composite materials
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gptkbp:filedIn
|
gptkb:United_States
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gptkbp:filingDate
|
March 30, 1975
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gptkbp:firstClaim
|
A composite structure comprising...
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https://www.w3.org/2000/01/rdf-schema#label
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US 4,000,017 A
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gptkbp:internationalClassification
|
B32B 5/26
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gptkbp:inventiveStep
|
Yes
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gptkbp:inventor
|
gptkb:Jane_Doe
gptkb:Robert_H._McDonald
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gptkbp:issueDate
|
December 28, 1976
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gptkbp:issuedOn
|
December 28, 1976
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gptkbp:legalStatus
|
Lapsed
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gptkbp:maintenanceFee
|
Not paid
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gptkbp:novelty
|
Yes
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gptkbp:patentCitation
|
Cited by 15 patents
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gptkbp:patentClassification
|
Class 428
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gptkbp:patentExpiration
|
1993-12-28
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gptkbp:patentFamily
|
gptkb:McDonald_patent_family
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gptkbp:patentInventor
|
20 years
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gptkbp:patentNumber
|
4,000,017
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gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:patentType
|
Utility patent
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gptkbp:priorityDate
|
April 30, 1975
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gptkbp:relatedPatent
|
US 3,987,654 A
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gptkbp:status
|
Expired
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gptkbp:subclass
|
Subclass 42
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gptkbp:title
|
Method of making a composite structure
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