US 3,890,127 B2

GPTKB entity

Properties (24)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material with improved properties.
gptkbp:applicationNumber 05/408,174
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
US_5,678,901
gptkbp:claims 20
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filedIn October 24, 1974
https://www.w3.org/2000/01/rdf-schema#label US 3,890,127 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:issueDate June 24, 1975
gptkbp:issuedOn June 24, 1975
gptkbp:legalStatus granted
gptkbp:patentFamily Hargreaves_composite_patents
gptkbp:patentType utility
gptkbp:priorityDate March 15, 1974
gptkbp:relatedTo gptkb:US_3,890,126_B2
gptkbp:status active
gptkbp:title Method of making a composite material