US 4,991,234 A

GPTKB entity

Properties (61)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 07/370,123
gptkbp:applicationPublication gptkb:US_4,991,234_A
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:class gptkb:Solar_Energy
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate February 5, 2008
gptkbp:fieldOfInvention Renewable Energy
gptkbp:fieldOfUse Solar_Technology
gptkbp:filingDate June 15, 1989
https://www.w3.org/2000/01/rdf-schema#label US 4,991,234 A
gptkbp:internationalClassification H01L 31/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate February 5, 1991
gptkbp:issuedOn February 5, 1991
gptkbp:legalStatus Lapsed
gptkbp:nonPatentCitation Journal_of_Renewable_Energy,_1990.
gptkbp:patentAbstract California.
This invention relates to a method for improving the efficiency of solar panels.
New_York.
gptkbp:patentAssignee Acme_Corporation.
gptkbp:patentCitation gptkb:US_4,567,890_A
US_4,567,890_A.
Journal_of_Renewable_Energy,_1990.
US_5,123,456_A.
gptkbp:patentClaim A method for coating solar panels.
gptkbp:patentClassification H01L.
Photovoltaic.
gptkbp:patentDescription Describes a novel coating process.
gptkbp:patentExpiration February 5, 2008.
gptkbp:patentFamily US_4,991,234_A,_US_5,123,456_A
gptkbp:patentFamilyMembers US_4,991,234_A,_US_5,123,456_A.
gptkbp:patentField Renewable_Energy.
gptkbp:patentFilingDate August 15, 1989.
February 5, 1991.
June 15, 1989.
gptkbp:patentInventor Jane_Smith.
John_Doe.
gptkbp:patentNumber 07/370,123.
4,991,234
gptkbp:patentOwner gptkb:Acme_Corporation
gptkbp:patentStatus Expired due to failure to pay maintenance fees.
Lapsed.
gptkbp:patentType Utility Patent
Utility.
US 07/370,124.
Non-Provisional.
US_4,123,456_A.
gptkbp:priorityDate August 15, 1989
gptkbp:relatedApplication US_07/370,124
gptkbp:relatedPatent gptkb:US_4,123,456_A
gptkbp:status Expired
gptkbp:subclass gptkb:Photovoltaic_Systems
gptkbp:title Method for improving efficiency of solar panels