US 4,000,976

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 05/555,555
gptkbp:applicationType Non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:assigneeCountry gptkb:United_States
gptkbp:citedBy US_5,000,000
gptkbp:claims 10
gptkbp:class Solar energy conversion
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse renewable energy
gptkbp:filingDate March 1, 1975
https://www.w3.org/2000/01/rdf-schema#label US 4,000,976
gptkbp:internationalClassification H01L 31/00
gptkbp:inventor gptkb:John_Doe
20.
gptkbp:inventorResidence American
gptkbp:issueDate December 28, 1976
gptkbp:issuedBy December 28, 1976
gptkbp:language English
gptkbp:legalStatus Expired due to failure to pay maintenance fees.
gptkbp:patentAbstract English.
Describes a method for improving solar panel efficiency.
gptkbp:patentAssignee United_States.
XYZ_Corporation.
gptkbp:patentCitation Cited by 15 other patents.
Cited by 15 patents.
gptkbp:patentClassification H01L 31/00.
gptkbp:patentDescription A detailed description of the method and its applications.
gptkbp:patentExpiration December 28, 1996
December 28, 1996.
gptkbp:patentFamily US_4,000,976,_US_4,500,000
gptkbp:patentFamilyMembers US_4,500,000.
gptkbp:patentField Energy technology.
gptkbp:patentFilingDate December 28, 1976.
June 1, 1975.
March 1, 1975.
gptkbp:patentImage Link to patent image.
gptkbp:patentInventor American.
John_Doe.
United_States.
gptkbp:patentLength 20 years
gptkbp:patentMaintenanceFee Not paid.
gptkbp:patentNumber 4,000,976
gptkbp:patentStatus Expired.
Maintenance fee reminder mailed.
gptkbp:patentType Utility patent
Utility patent.
A utility patent protects new inventions.
gptkbp:priorityDate June 1, 1975
gptkbp:relatedPatent US_4,500,000
gptkbp:status expired
gptkbp:subclass Photovoltaic systems
gptkbp:title Method for improving efficiency of solar panels