US 5,000,321 B2

URI: https://gptkb.org/entity/US_5%2C000%2C321_B2
GPTKB entity
Properties (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 07/537,123
gptkbp:applicationPublicationNumber gptkb:US_07/537,123_A1
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_6,123,456_B1
gptkbp:claims 20
gptkbp:country gptkb:United_States
gptkbp:description This patent describes a novel mechanism.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2011-03-19
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1990-06-29
https://www.w3.org/2000/01/rdf-schema#label US 5,000,321 B2
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1991-03-19
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:numberOfFigures 5
gptkbp:patentCitation US_4,000,000_A
gptkbp:patentDescription Improved Efficiency Device
gptkbp:patentFamily US_5,000,321_B2,_US_5,500,321_B2
gptkbp:patentNumber 5,000,321
gptkbp:patentType utility
gptkbp:priorityDate 1989-06-29
gptkbp:relatedTo gptkb:US_4,500,321_A
gptkbp:status active