US 4,123,987 A1

URI: https://gptkb.org/entity/US_4%2C123%2C987_A1
GPTKB entity
Properties (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for enhancing the efficiency of widgets.
gptkbp:applicationNumber US_05/123,456
gptkbp:applicationStatus published
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,678,910
gptkbp:claims 10
gptkbp:examiner No objections raised.
Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1978-12-29
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 4,123,987 A1
gptkbp:internationalClassification F16K_1/00
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1978-10-31
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Widget_Engineering,_1977.
gptkbp:patentCitation US_3,456,789
gptkbp:patentFamily US_4,123,987_A1,_US_4,567,890,_US_5,678,910
gptkbp:patentLength 20 years
gptkbp:patentNumber 4,123,987
gptkbp:patentType granted patent
gptkbp:priorityDate 1977-12-29
gptkbp:publicationDate 1978-10-31
gptkbp:relatedPatent US_4,567,890
gptkbp:status granted
gptkbp:title A Method for Improving Widget Efficiency