US 3,890,032 B2

URI: https://gptkb.org/entity/US_3%2C890%2C032_B2
GPTKB entity
Properties (56)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/368,174
gptkbp:applicationType utility
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_7,890,123
gptkb:US_4,123,456
gptkb:US_6,789,012
US 8,901,234
US_5,678,901
gptkbp:claims 20 claims.
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:expirationDate June 24, 1992.
gptkbp:fieldOfInvention composite materials
gptkbp:filedIn gptkb:Robert_H._Hargreaves
gptkbp:filingDate January 10, 1974.
gptkbp:homePort US.
https://www.w3.org/2000/01/rdf-schema#label US 3,890,032 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorResidence California.
gptkbp:issuedOn June 24, 1975
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid.
gptkbp:patentAbstract Describes a method for creating composite materials.
filed in 1974.
gptkbp:patentAssignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:patentCitation cited by 15 patents.
cited in 15 other patents.
US.
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification C08L 23/00.
gptkbp:patentExpiration June 24, 1992.
expires in 1992.
gptkbp:patentFamily Hargreaves_composite_patents.
gptkbp:patentField materials science.
composite materials.
gptkbp:patentFilingDate January 10, 1974.
gptkbp:patentInventor John_Doe.
Robert_H._Hargreaves.
gptkbp:patentMaintenanceFee maintenance fees paid.
gptkbp:patentNumber 3,890,032.
gptkbp:patentOffice United_States_Patent_and_Trademark_Office.
gptkbp:patentOwner gptkb:Hargreaves_Industries,_Inc.
gptkbp:patentStatus active.
granted.
gptkbp:patentType utility patent.
granted patent.
filed_with_USPTO.
gptkbp:priorityDate August 1, 1973
gptkbp:relatedPatent US_3,890,031_B2
US_3,890,033_B2
gptkbp:status active
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material