US patent 5,444,444

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of widgets.
gptkbp:applicationNumber 08/123,456
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_patent_6,123,456
gptkbp:claims 20
gptkbp:class 123/456
gptkbp:examiner Jane_Smith
gptkbp:expirationDate August 22, 2012
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate September 15, 1994
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US patent 5,444,444
gptkbp:internationalClassification B23P_15/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate August 22, 1995
gptkbp:issuedOn August 22, 1995
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentType utility
gptkbp:priorityDate February 15, 1994
gptkbp:relatedTo gptkb:US_patent_5,555,555
gptkbp:status active
gptkbp:subclass 123/456.1
gptkbp:title Method for improving widget efficiency