US 03,890,170 B2

GPTKB entity

Properties (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material with improved properties.
gptkbp:applicationNumber 05/368,155
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
US_5,678,910
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filedIn April 2, 1973
https://www.w3.org/2000/01/rdf-schema#label US 03,890,170 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:issuedOn June 24, 1975
gptkbp:legalStatus granted
gptkbp:patentFamily US_03,890,170_B2,_US_03,890,171_B2
gptkbp:patentType utility
gptkbp:priorityDate August 1, 1973
gptkbp:relatedPatent US_03,890,171_B2
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material