US 03,890,156 B2

GPTKB entity

Properties (64)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/368,174
gptkbp:applicationPublication US_1974/000001
gptkbp:applicationStatus abandoned
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:class C08L 23/00
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filingDate January 10, 1973
gptkbp:grantDate June 24, 1975
https://www.w3.org/2000/01/rdf-schema#label US 03,890,156 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:NY
gptkb:New_York
gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:issuedOn June 24, 1975
gptkbp:legalStatus lapsed
gptkbp:maintenanceFee paid
gptkbp:numberOfClaims 10
gptkbp:patentAbstract filed.
describes a method for composite materials.
gptkbp:patentAssignee United_States.
Hargreaves_Industries.
gptkbp:patentCitation US_3,456,789
US_3,456,789.
US_4,123,456.
gptkbp:patentClassification C08L 23/00
C08L 23/00.
gptkbp:patentExpiration 1992-06-24
1992-06-24.
gptkbp:patentFamily Hargreaves_composite_patents
gptkbp:patentFamilyMembers US_03,890,157_B2.
gptkbp:patentField materials science
composite materials.
gptkbp:patentFilingDate April 12, 1973.
January 10, 1973.
June 24, 1975.
gptkbp:patentInventor John_Doe.
New_York.
NY.
Robert_H._Hargreaves.
gptkbp:patentLink https://patents.google.com/patent/US3890156B2
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber gptkb:US_03,890,156_B2
B2.
05/368,174.
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus expired due to non-payment.
lapsed.
gptkbp:patentType utility
granted.
Utility patent for a method.
non-provisional.
US_03,890,157_B2.
gptkbp:priorityDate April 12, 1973
gptkbp:relatedPatent US_03,890,157_B2
gptkbp:status expired
gptkbp:subclass C08L
gptkbp:title Method of making a composite material