US Patent 4,456,789

GPTKB entity

Properties (32)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 06/610,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_Patent_5,123,456
gptkbp:class Renewable Energy
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse renewable energy
gptkbp:filingDate September 15, 1983
gptkbp:fullText Available_in_the_USPTO_database.
https://www.w3.org/2000/01/rdf-schema#label US Patent 4,456,789
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn June 19, 1984
gptkbp:legalStatus Lapsed
gptkbp:numberOfClaims 20
gptkbp:patentCitation Referenced in multiple subsequent patents.
gptkbp:patentClassification Class 136
gptkbp:patentExpiration June 19, 2001
gptkbp:patentFamily US_Patent_Family_12345
gptkbp:patentNumber 4,456,789
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType utility patent
gptkbp:priorityDate December 15, 1982
gptkbp:relatedTo solar_energy_technology
gptkbp:status expired
gptkbp:subclass gptkb:Solar_Energy_Systems
gptkbp:technicalField Photovoltaics
gptkbp:title Method for improving efficiency of solar panels