US 56,543,221 B2

GPTKB entity

Properties (49)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of widgets.
gptkbp:applicationNumber 08/646,123
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_57,123,456_B2
gptkbp:claims 20
gptkbp:class F16B 2/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1996-05-15
gptkbp:firstClaim A method for improving the efficiency of a widget.
https://www.w3.org/2000/01/rdf-schema#label US 56,543,221 B2
gptkbp:internationalClassification H01L 21/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1997-10-14
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Required
gptkbp:patentAbstract gptkb:US_54,321,098_B2
This patent describes a method for improving widget efficiency.
gptkbp:patentCitation gptkb:US_55,555,555_B2
gptkbp:patentClassification Mechanical
gptkbp:patentDescription $3,600
gptkbp:patentExpiration 2017-10-14
gptkbp:patentFamily US_56,543,221
gptkbp:patentField Manufacturing
Product Design
gptkbp:patentLength 20 years
gptkbp:patentNumber 56,543,221
gptkbp:patentOwner gptkb:Acme_Corporation
gptkbp:patentStatus Completed
2012-10-14
Fee Payment
2017-10-14
$1,600
Maintenance Fee Payment
Payment of maintenance fee.
gptkbp:patentType Regular
Utility Patent
Maintenance Fee
Non-Provisional
gptkbp:priorityDate 1995-05-15
gptkbp:relatedTo gptkb:US_56,543,220_B2
gptkbp:status Active
gptkbp:subclass F16B 2/02
gptkbp:title Method for improving widget efficiency