US 4,987,654 B

URI: https://gptkb.org/entity/US_4%2C987%2C654_B
GPTKB entity
Statements (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationDate 1990-05-01
gptkbp:applicationNumber 07/516,123
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:coInventor Jane_Smith
gptkbp:description This patent describes a new method.
gptkbp:drawings 5
gptkbp:expirationDate 2011-01-22
gptkbp:fieldOfInvention technology
gptkbp:filingDate 1990-05-01
https://www.w3.org/2000/01/rdf-schema#label US 4,987,654 B
gptkbp:internationalClassification G06F 15/16
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1991-01-22
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus enforceable
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_4,567,890_A
gptkbp:patentDescription Method for Improving Efficiency
gptkbp:patentFamily US_4,987,654_B,_US_5,123,456_A
gptkbp:patentNumber 4,987,654
gptkbp:patentType utility
gptkbp:priorArt gptkb:US_4,123,456_A
gptkbp:relatedPatent gptkb:US_4,987,653_B
gptkbp:status active