US 3,555,527 A

GPTKB entity

Properties (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber gptkb:US_3,555,527
gptkbp:applicationStatus abandoned
gptkbp:applicationType utility
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:class C08L 23/00
gptkbp:country gptkb:United_States
gptkbp:documentType patent
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filingDate October 12, 1968
https://www.w3.org/2000/01/rdf-schema#label US 3,555,527 A
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn January 19, 1971
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:numberOfClaims 10
gptkbp:patentAbstract A method for producing a composite material.
gptkbp:patentAssignee gptkb:United_States
gptkb:Hargreaves_Industries,_Inc.
gptkbp:patentCitation gptkb:US_3,555,526_A
gptkbp:patentClassification C08L
gptkbp:patentExpiration January 19, 1988
gptkbp:patentFamily US_3,555,527_A_family
gptkbp:patentField materials science
gptkbp:patentFilingDate October 12, 1968
January 19, 1971
April 12, 1968
gptkbp:patentInventor gptkb:Robert_H._Hargreaves
gptkbp:patentNumber gptkb:US_3,555,527
3,555,527
US_patent_number
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus expired
gptkbp:patentType granted patent
gptkbp:priorityDate April 12, 1968
gptkbp:publicationDate January 19, 1971
gptkbp:relatedPatent gptkb:US_3,555,528_A
gptkbp:status expired
gptkbp:title Method of making a composite material