US 2,000,489 B1

GPTKB entity

Statements (27)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 08/653,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_2,500,000_B1
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2016-06-25
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1996-05-30
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 2,000,489 B1
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1996-06-25
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_2,000,489_B1,_US_2,500,000_B1
gptkbp:patentType utility
gptkbp:priorityDate 1995-05-30
gptkbp:relatedTo US_1,000,000_B1
gptkbp:status active
gptkbp:subclass energy efficiency