US 4,321,175

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for creating a composite material using specific polymers.
gptkbp:applicationNumber 06/123,456
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1999-03-30
gptkbp:fieldOfInvention materials science
gptkbp:filingDate 1981-05-15
gptkbp:firstClaim US_5,678,901
https://www.w3.org/2000/01/rdf-schema#label US 4,321,175
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy gptkb:John_Doe
gptkbp:issuedOn 1982-03-30
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,321,175_family
gptkbp:patentType utility
gptkbp:priorityDate 1980-05-15
gptkbp:relatedPatent US_4,321,176
gptkbp:status active
gptkbp:title Method for making a composite material