US 4,890,143 B1

GPTKB entity

Properties (67)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving data processing efficiency.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationPublicationNumber US_07/327,123_A1
gptkbp:applicationType Utility
gptkbp:assignee gptkb:ABC_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class G06F 15/16
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Computer Science
gptkbp:fieldOfUse Software Development
gptkbp:filingDate April 1, 1989
https://www.w3.org/2000/01/rdf-schema#label US 4,890,143 B1
gptkbp:internationalClassification G06F 15/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate January 2, 1990
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract gptkb:Washington,_D.C.
California.
This patent describes a method for improving data processing efficiency.
Data_Processing.
gptkbp:patentAssignee New_York.
ABC_Corporation.
gptkbp:patentCitation US_4,567,890
US_4,567,890,_US_5,123,456.
gptkbp:patentClaim A method for optimizing data retrieval.
gptkbp:patentClassification G06F 15/00.
gptkbp:patentDescription Detailed description of the method and its applications.
USPTO.
gptkbp:patentExpiration January 2, 2007
January 2, 2007.
gptkbp:patentFamily US_4,890,143_B1,_US_5,123,456,_US_6,789,012
US_4,890,143_B1,_US_5,123,456,_US_6,789,012.
gptkbp:patentFamilyMembers US_4,890,143_B1,_US_5,123,456.
gptkbp:patentField Computer_Science.
Software_Development.
gptkbp:patentFilingDate January 2, 1990.
April 1, 1989.
gptkbp:patentInventor Jane_Smith.
United_States.
John_Doe,_Jane_Smith.
gptkbp:patentLink https://patents.google.com/patent/US4890143B1
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 4,890,143
US 07/327,123 A1.
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Expired due to non-payment of maintenance fees.
Expired.
Lapsed.
gptkbp:patentType Granted
Utility.
US 07/327,124.
US_4,567,890.
gptkbp:priorityDate March 15, 1988
gptkbp:publicationDate January 2, 1990
gptkbp:relatedApplication US_07/327,124
gptkbp:relatedPatent US_4,567,890
gptkbp:status Expired
gptkbp:subclass G06F 15/167
gptkbp:technologyArea Data Processing
gptkbp:title Method for improving data processing