US 5,678,444 F1

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 08/123,456
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_6,123,456_B1
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:expirationDate October 14, 2014
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate September 22, 1994
gptkbp:grantDate October 14, 1997
https://www.w3.org/2000/01/rdf-schema#label US 5,678,444 F1
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy October 14, 1997
gptkbp:legalStatus enforced
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_5,678,444_F1,_US_6,123,456_B1
gptkbp:priorityDate September 22, 1994
gptkbp:relatedTo gptkb:US_5,678,443_A
gptkbp:status active
gptkbp:title Method for improving efficiency