US 3,555,547

GPTKB entity

Statements (68)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite structure.
gptkbp:applicationNumber 05/155,123
gptkbp:applicationStatus abandoned
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:McDonald_Engineering_Company
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:country gptkb:United_States
gptkbp:documentType patent document
gptkbp:examiner gptkb:John_Smith
gptkbp:fieldOfInvention composite materials
gptkbp:filingDate February 24, 1970
https://www.w3.org/2000/01/rdf-schema#label US 3,555,547
gptkbp:internationalClassification B32B 5/00
gptkbp:inventor gptkb:Robert_H._McDonald
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy gptkb:Robert_H._McDonald
gptkbp:issuedOn January 19, 1971
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
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gptkbp:patentExpiration 1991
gptkbp:patentFamily US_3,555,547_family
gptkbp:patentLength 20 years
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType utility
gptkbp:priorArt US_3,123,456
gptkbp:priorityDate February 24, 1970
gptkbp:publicationNumber gptkb:US_3,555,547_A
gptkbp:relatedPatent US_3,456,789
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite structure