US 4,000,047 B1

GPTKB entity

Properties (42)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber gptkb:US_4,000,047
gptkbp:applicationPublicationNumber gptkb:US_4,000,047_A1
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:Los_Angeles
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_5,000,000
gptkbp:class Mechanical_Systems
gptkbp:country gptkb:United_States
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:fieldOfUse Industrial Applications
gptkbp:filingDate 1976-06-15
https://www.w3.org/2000/01/rdf-schema#label US 4,000,047 B1
gptkbp:inventor gptkb:John_Doe
gptkb:New_York
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy 1977-12-28
gptkbp:language English
gptkbp:legalStatus Active
gptkbp:numberOfClaims 10
gptkbp:patentCitation US_3,500,000
gptkbp:patentClassification Class 123
gptkbp:patentExpiration 1994-12-28
gptkbp:patentFamily US_4,000,047_B1_Family
gptkbp:patentFamilyMembers US_4,000,047_B1,_US_4,000,048_B1
gptkbp:patentFilingDate 1977-12-28
gptkbp:patentLink https://patents.google.com/patent/US4000047B1
gptkbp:patentNumber 4,000,047
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Granted
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1975-06-15
gptkbp:relatedPatent gptkb:US_4,000,048_B1
gptkbp:relatedTo US_3,000,000
gptkbp:status granted
gptkbp:subclass Energy Efficiency
gptkbp:title Method for improving efficiency