US 4,567,915 A

GPTKB entity

Properties (49)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of solar panels through a novel coating.
gptkbp:applicationNumber 06/703,123
gptkbp:applicationType Non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:assigneeType Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:class Solar energy conversion
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Renewable energy
gptkbp:filingDate February 20, 1985
https://www.w3.org/2000/01/rdf-schema#label US 4,567,915 A
gptkbp:internationalClassification H01L 31/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
American
gptkbp:issuedOn January 28, 1986
gptkbp:issueFeePaid Yes
gptkbp:legalStatus Expired due to failure to pay maintenance fees.
gptkbp:maintenanceFee Paid
gptkbp:patentAssignee December 15, 1991
gptkbp:patentCitation Cited by 10 other patents.
gptkbp:patentDescription January 5, 1992
Confirmed.
The reexamination did not change the patent.
gptkbp:patentExpiration January 28, 2003
gptkbp:patentFamily US_4,567,915_A,_US_4,567,914_A,_US_4,567,916_A
gptkbp:patentFilingDate August 1, 1985
January 28, 1986
February 20, 1985
gptkbp:patentInventor Reexamination confirmed.
gptkbp:patentMaintenanceFee No changes made.
gptkbp:patentNumber 4,567,915
gptkbp:patentStatus March 15, 1990
July 20, 1991
Final.
Reexamination requested.
Reexamination.
A reexamination of the patent was requested.
Reexamination confirmed.
gptkbp:patentType Utility patent
A patent for a new invention.
gptkbp:priorityDate February 20, 1985
gptkbp:relatedPatent gptkb:US_4,567,914_A
gptkbp:status active
gptkbp:subclass Photovoltaic cells
gptkbp:title Method for improving efficiency of solar panels