US 03,890,165 B2

GPTKB entity

Statements (56)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material with improved properties.
gptkbp:applicationNumber 05/368,174
gptkbp:applicationType utility
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
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gptkbp:claims 20
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filedIn gptkb:Robert_H._Hargreaves
https://www.w3.org/2000/01/rdf-schema#label US 03,890,165 B2
gptkbp:inventiveStep yes
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:issuedOn June 24, 1975
gptkbp:legalStatus lapsed
gptkbp:location gptkb:United_States
gptkbp:novelty yes
gptkbp:patentCitation gptkb:US_13,456,789
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gptkbp:patentFamily US_03,890,165
gptkbp:patentType granted
gptkbp:priorityDate August 1, 1973
gptkbp:relatedTo gptkb:US_03,890,164_B2
gptkb:US_03,890,166_B2
gptkbp:status expired
gptkbp:technicalField materials science
gptkbp:title Method of making a composite material