US 4,000,990

GPTKB entity

Statements (68)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/575,198
gptkbp:applicationPublication US_1976/0000001_A
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:country gptkb:United_States
gptkbp:documentType patent document
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfUse composite materials
gptkbp:filingDate March 1, 1975
https://www.w3.org/2000/01/rdf-schema#label US 4,000,990
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
1975.
gptkbp:inventorCountry gptkb:United_States
gptkbp:issueDate January 4, 1977
gptkbp:issuedOn January 4, 1977
gptkbp:language English
gptkbp:legalStatus lapsed
gptkbp:patentAbstract English.
A composite material and method of making it.
Filed in 1975.
Examined_by_John_Doe.
gptkbp:patentAssignee gptkb:Hargreaves_Industries,_Inc.
Robert_H._Hargreaves.
gptkbp:patentCitation US 3,999,999
Cited_by_US_3,999,999.
gptkbp:patentClaim Describes 10 claims.
gptkbp:patentClassification C08L
C08L 23/00.
C08L.
gptkbp:patentDescription Describes a method for creating composite materials.
English.
A composite material and method of making it.
gptkbp:patentExpiration January 4, 1994
1994.
January 4, 1994.
gptkbp:patentFamily Hargreaves_composite_patents
Related_to_Hargreaves_composite_patents.
gptkbp:patentFamilyMembers Related_to_Hargreaves_composite_patents.
gptkbp:patentField Composite materials.
gptkbp:patentFilingDate April 1, 1975.
January 4, 1977.
gptkbp:patentInventor John_Doe.
United_States.
Robert_H._Hargreaves.
gptkbp:patentNumber 4000990
US_1976/0000001_A.
gptkbp:patentOffice gptkb:USPTO
USPTO.
gptkbp:patentStatus Expired.
Lapsed.
gptkbp:patentType utility
Utility patent.
Non-provisional.
Patent document.
Filed as a non-provisional.
US_1976/0000001_A.
gptkbp:priorityDate April 1, 1975
gptkbp:publicationNumber gptkb:US_4000990_A
gptkbp:relatedPatent gptkb:US_4,123,456
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material