US 4,890,154 B2

URI: https://gptkb.org/entity/US_4%2C890%2C154_B2
GPTKB entity
Statements (39)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationPublication gptkb:US_4,890,154_A
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class Mechanics
gptkbp:country gptkb:United_States
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 2, 2007
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate April 1, 1989
gptkbp:fullText Available online
https://www.w3.org/2000/01/rdf-schema#label US 4,890,154 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
American
gptkbp:issueDate January 2, 1990
gptkbp:issuedOn January 2, 1990
gptkbp:language English
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
gptkbp:patentCitation Cited by 10 other patents.
gptkbp:patentFamily US_4,890,154_B2,_US_5,123,456,_US_6,789,012
gptkbp:patentInventor 20 years
gptkbp:patentLink https://patents.google.com/patent/US4890154B2
gptkbp:patentNumber 4890154
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Active
gptkbp:patentType Utility
gptkbp:priorityDate March 15, 1988
gptkbp:relatedPatent US_4,567,890
gptkbp:status Active
gptkbp:subclass Energy Efficiency
gptkbp:title Method for improving efficiency