US 450,456,840 B2

URI: https://gptkb.org/entity/US_450%2C456%2C840_B2
GPTKB entity
Statements (60)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationDate March 15, 1982
gptkbp:applicationNumber 06/307,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_500,123,456_B2
10
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanical device.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 5, 2005
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate March 15, 1982
https://www.w3.org/2000/01/rdf-schema#label US 450,456,840 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
John_Doe,_Jane_Roe
gptkbp:issueDate March 5, 1985
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:keywords mechanical, efficiency, device
gptkbp:legalStatus granted
gptkbp:license gptkb:ABC_Inc.
gptkbp:maintenanceFee paid
gptkbp:marketedAs gptkb:XYZ_Corporation
gptkbp:nonPatentCitation 2
gptkbp:patentAbstract gptkb:ABC_Inc.
A device for improving efficiency.
gptkbp:patentAssignee gptkb:XYZ_Corporation
gptkbp:patentCitation 5 drawings.
2 non-patent citations.
10 citations.
XYZ_Corporation.
US_400,123,456_A
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification mechanical engineering
F03D 1/00.
gptkbp:patentExpiration March 5, 2005.
gptkbp:patentFamily US_450,456,840_B2,_US_450,456,839_B2
gptkbp:patentFamilyMembers 2 family members.
gptkbp:patentField energy efficiency
gptkbp:patentInventor gptkb:John_Doe
mechanical, efficiency, device.
Jane_Smith.
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber 450456840
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus active
granted.
gptkbp:patentType utility
utility patent
US_450,456,839_B2.
gptkbp:priorityDate March 15, 1982
gptkbp:relatedPatent gptkb:US_450,456,839_B2
gptkbp:relatedTo gptkb:US_450,456,839_B2
gptkbp:status active
gptkbp:subclass energy efficiency