US 4,000,093

GPTKB entity

Properties (24)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/575,198
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
US_4,567,890
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfUse composite materials
gptkbp:filingDate March 30, 1975
https://www.w3.org/2000/01/rdf-schema#label US 4,000,093
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:issueDate December 28, 1976
gptkbp:issuedBy December 28, 1976
gptkbp:patentFamily Hargreaves_composite_patents
gptkbp:patentType utility
gptkbp:priorityDate April 30, 1975
gptkbp:relatedPatent gptkb:US_4,000,095
US_4,000,094
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material