US 05,000,181 B2

GPTKB entity

Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_06,123,456_A1
gptkbp:claims 20
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 19, 2008
gptkbp:fieldOfUse mechanical engineering
gptkbp:filingDate September 15, 1989
gptkbp:fullText Available online.
gptkbp:grantDate March 19, 1991
https://www.w3.org/2000/01/rdf-schema#label US 05,000,181 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn March 19, 1991
gptkbp:legalStatus Expired
gptkbp:patentFamily US_05,000,181_B2,_US_06,000,000_A1
gptkbp:patentNumber 5000181
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 15, 1989
gptkbp:relatedTo US_04,000,000_B1
gptkbp:status active
gptkbp:subclass Energy Efficiency