US 4,000,013 B2

URI: https://gptkb.org/entity/US_4%2C000%2C013_B2
GPTKB entity
Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/575,198
gptkbp:applicationPublication US_1976/000013_A1
gptkbp:applicationType utility
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
gptkbp:filingDate March 30, 1975
https://www.w3.org/2000/01/rdf-schema#label US 4,000,013 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:issueDate December 28, 1976
gptkbp:issuedOn December 28, 1976
gptkbp:legalStatus granted
gptkbp:patentFamily US_4,000,013_B2,_US_4,000,012_B2
gptkbp:patentNumber 4,000,013
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentType granted patent
gptkbp:priorityDate June 2, 1975
gptkbp:relatedPatent gptkb:US_4,000,012_B2
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material