US 4,321,141 A

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel design.
gptkbp:applicationNumber 06/200,000
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Renewable energy
gptkbp:filingDate April 1, 1980
https://www.w3.org/2000/01/rdf-schema#label US 4,321,141 A
gptkbp:internationalClassification H02S 20/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn March 30, 1982
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:numberOfClaims 20
gptkbp:patentFamily US_4,321,141_A,_US_5,123,456_A
gptkbp:patentType utility
gptkbp:priorityDate September 15, 1980
gptkbp:relatedTo solar_energy_technology
gptkbp:status granted
gptkbp:title Method for improving efficiency of solar panels