US 4,321,130 A

GPTKB entity

Statements (42)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 06/200,000
gptkbp:applicationPublication gptkb:US_2001/0000001_A1
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:class gptkb:Renewable_Energy_Systems
gptkbp:country gptkb:United_States
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 30, 1999
gptkbp:fieldOfInvention Renewable Energy
gptkbp:fieldOfUse Solar_Energy_Applications
gptkbp:filingDate April 15, 1980
gptkbp:grantDate March 30, 1982
https://www.w3.org/2000/01/rdf-schema#label US 4,321,130 A
gptkbp:internationalClassification H02S 20/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn March 30, 1982
gptkbp:language English
gptkbp:legalStatus Active
gptkbp:maintenanceFee Paid
gptkbp:numberOfClaims 10
gptkbp:patentCitation US_4,000,000_A
gptkbp:patentClassification Class 136
gptkbp:patentFamily US_4,321,130_A,_US_5,123,456_A
gptkbp:patentLink https://patents.google.com/patent/US4321130A/en
gptkbp:patentNumber 4321130
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus In_Force
gptkbp:patentType Utility Patent
gptkbp:priorityDate September 15, 1980
gptkbp:relatedPatent gptkb:US_4,321,131_A
gptkbp:relatedTo solar_energy_technology
gptkbp:researchField Energy Efficiency
gptkbp:status granted
gptkbp:subclass Solar_Energy_Conversion
gptkbp:technology Photovoltaics
gptkbp:title Method for improving efficiency of solar panels