US 4,400,001 A

GPTKB entity

Statements (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationDate February 15, 1982
gptkbp:applicationNumber 06/200,000
gptkbp:applicationType Utility Patent
gptkbp:assignee gptkb:New_York
gptkb:XYZ_Corporation
gptkbp:citedBy US_5,000,000_A
gptkbp:claims 10
gptkbp:class Mechanical_Systems
gptkbp:coInventor gptkb:Alice_Johnson
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate August 23, 2000
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filedIn gptkb:John_Doe
https://www.w3.org/2000/01/rdf-schema#label US 4,400,001 A
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn August 23, 1983
gptkbp:legalStatus Active
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract gptkb:United_States
This patent describes a method for enhancing the efficiency of mechanical systems.
gptkbp:patentAssignee gptkb:XYZ_Corporation
gptkbp:patentCitation US_4,000,000_A
gptkbp:patentClaim 10 claims.
gptkbp:patentExpiration August 23, 2000
gptkbp:patentFamily US_4,400,001_A,_US_4,500,000_A
gptkbp:patentField Mechanical Engineering
Efficiency Improvement
gptkbp:patentFilingDate August 23, 1983
February 15, 1982
gptkbp:patentInventor gptkb:John_Doe
Jane_Smith
gptkbp:patentNumber 4,400,001
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Active
gptkbp:patentType Utility Patent
Granted Patent
US_4,500,000_A
gptkbp:priorityDate February 15, 1982
gptkbp:relatedTo US_4,500,000_A
gptkbp:status granted
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency