US 4,900,020 A

GPTKB entity

Properties (44)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationPublication gptkb:US_4,900,020_A
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:description This patent describes a method for applying a special coating to solar panels.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate February 13, 2007
gptkbp:fieldOfInvention Renewable energy
gptkbp:filingDate March 31, 1989
gptkbp:grantDate February 13, 1990
https://www.w3.org/2000/01/rdf-schema#label US 4,900,020 A
gptkbp:internationalClassification H01L 31/00
gptkbp:inventor gptkb:John_Doe
gptkb:Los_Angeles
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn February 13, 1990
gptkbp:legalStatus active
gptkbp:location gptkb:United_States
gptkbp:numberOfFigures 5
gptkbp:patentAbstract A method for enhancing the efficiency of solar panels.
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation 15
gptkbp:patentClassification solar technology
gptkbp:patentExpiration February 13, 2007
gptkbp:patentFamily US_4,900,020_A,_US_5,000,000_A
gptkbp:patentField energy efficiency
gptkbp:patentFilingDate March 31, 1989
February 13, 1990
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentNumber 4,900,020
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus active
gptkbp:patentType utility
utility patent
gptkbp:priorityDate August 1, 1988
gptkbp:relatedPatent US_4,800,000_A
gptkbp:relatedTo US_4,500,000_A
gptkbp:status granted
gptkbp:title Method for improving efficiency of solar panels