US Patent 3,888,888

URI: https://gptkb.org/entity/US_Patent_3%2C888%2C888
GPTKB entity
Properties (48)
Predicate Object
gptkbp:instanceOf Patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationDate May 15, 1974
gptkbp:applicationNumber 05/469,198
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_Patent_5,678,901
gptkb:US_Patent_4,123,456
gptkbp:claims 10
gptkbp:class 428/423
gptkbp:contains Composite material
gptkbp:description Manufacturing process
gptkbp:documentType Patent Document
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfUse Composite materials
gptkbp:filedWith gptkb:USPTO
https://www.w3.org/2000/01/rdf-schema#label US Patent 3,888,888
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:issuedOn June 10, 1975
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:patentCitation gptkb:US_Patent_11,234,567
gptkb:US_Patent_10,123,456
gptkb:US_Patent_4,567,890
gptkb:US_Patent_13,456,789
gptkb:US_Patent_15,678,901
gptkb:US_Patent_6,789,012
gptkb:US_Patent_3,456,789
gptkb:US_Patent_5,678,901
gptkb:US_Patent_7,890,123
gptkb:US_Patent_17,890,123
gptkb:US_Patent_9,012,345
gptkb:US_Patent_12,345,678
US Patent 8,901,234
US Patent 18,901,234
US_Patent_14,567,890
US_Patent_16,789,012
US_Patent_19,012,345
US_Patent_20,123,456
gptkbp:patentFamily Hargreaves_Composite_Family
gptkbp:patentNumber 3,888,888
gptkbp:patentType Utility
gptkbp:priorityDate May 15, 1974
gptkbp:relatedTo gptkb:US_Patent_3,456,789
gptkbp:status Expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material