US 4,999,999 B1

URI: https://gptkb.org/entity/US_4%2C999%2C999_B1
GPTKB entity
Properties (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel device for enhancing efficiency.
gptkbp:applicationNumber 07/516,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_5,123,456_B1
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2011-03-12
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1990-05-01
https://www.w3.org/2000/01/rdf-schema#label US 4,999,999 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1991-03-12
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,999,999_B1,_US_5,000,000_B1
gptkbp:patentNumber 4,999,999
gptkbp:patentType utility
gptkbp:priorityDate 1989-05-01
gptkbp:relatedTo gptkb:US_4,888,888_B1
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:title Device for Enhancing Efficiency