US 4,000,057 B1

GPTKB entity

Statements (67)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material with enhanced properties.
gptkbp:applicationDate 1975-05-30
gptkbp:applicationNumber US 05/586,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy US_5,000,000
gptkbp:claims 10
gptkbp:classification C08L 23/00
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention Materials Science
gptkbp:filingDate 1975-05-30
https://www.w3.org/2000/01/rdf-schema#label US 4,000,057 B1
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalEvent Maintenance fee paid
gptkbp:patentCitation US_4,500,000
US_5,000,000
US_6,500,000
US_7,000,000
US_3,000,000
US_4,600,000
US_4,700,000
US_4,800,000
US_4,900,000
US_5,100,000
US_5,200,000
US_6,000,000
US_6,800,000
US_7,500,000
US_8,000,000
US_3,500,000
US_4,000,000
US_5,500,000
US_5,300,000
US_5,400,000
US_5,600,000
US_5,700,000
US_5,800,000
US_5,900,000
US_6,100,000
US_6,200,000
US_6,300,000
US_6,400,000
US_6,600,000
US_6,700,000
US_6,900,000
US_7,100,000
US_7,200,000
US_7,300,000
US_7,400,000
US_7,600,000
US_7,700,000
US_7,800,000
US_7,900,000
gptkbp:patentFamily Doe Composite Family
gptkbp:patentNumber 4,000,057
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1975-05-30
gptkbp:relatedPatent US_4,500,000
gptkbp:status Expired
gptkbp:title Method for making a composite material