US 4,890,153 A1

GPTKB entity

Properties (52)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving energy efficiency in systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:country gptkb:US
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 2, 2007
gptkbp:fieldOfInvention Energy efficiency
gptkbp:filingDate September 1, 1988
https://www.w3.org/2000/01/rdf-schema#label US 4,890,153 A1
gptkbp:internationalClassification H02J 3/00
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus Active
gptkbp:location gptkb:United_States
gptkbp:patentAbstract A method for improving energy efficiency in systems.
US_4,567,890_A.
gptkbp:patentAssignee John_Doe.
XYZ_Corporation.
gptkbp:patentCitation gptkb:US_4,567,890_A
US_4,567,890_A.
gptkbp:patentClaim 20 claims.
20.
gptkbp:patentClassification H02J.
gptkbp:patentExpiration January 2, 2007.
gptkbp:patentFamily US_4,890,153_A1,_US_5,123,456_A
gptkbp:patentFamilyMembers US_4,890,153_A1,_US_5,123,456_A.
gptkbp:patentField Energy efficiency.
gptkbp:patentFilingDate January 2, 1990.
July 15, 1988.
September 1, 1988.
gptkbp:patentInventor California.
Jane_Smith.
John_Doe.
US.
gptkbp:patentNumber 4890153
gptkbp:patentStatus Active.
gptkbp:patentType Utility
Utility.
gptkbp:priorityDate July 15, 1988
gptkbp:publicationDate January 2, 1990
gptkbp:relatedTo gptkb:US_4,567,890_A
gptkbp:status granted
gptkbp:subclass H02J
gptkbp:technology Renewable energy
gptkbp:title Method for improving efficiency