US 4,000,009 B2

GPTKB entity

Properties (41)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 05/598,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,000,000_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filedIn gptkb:United_States
gptkbp:filingDate 1975-06-30
https://www.w3.org/2000/01/rdf-schema#label US 4,000,009 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to a device that enhances energy efficiency.
gptkbp:patentAssignee Acme_Corporation,_Beta_LLC
gptkbp:patentCitation US_3,500,000_B2
gptkbp:patentDescription Detailed description of the invention.
gptkbp:patentExpiration 1994-12-28
gptkbp:patentFamily US_4,000,009_B2,_US_4,000,010_B2
gptkbp:patentField Energy conservation.
gptkbp:patentFilingDate 1975-06-30
1977-12-28
gptkbp:patentImage image_url_here
gptkbp:patentInventor John_Doe,_Jane_Roe
gptkbp:patentNumber 4,000,009
gptkbp:patentStatus active
assignment
gptkbp:patentType utility
Utility patent for a mechanical device.
gptkbp:priorityDate 1975-06-30
gptkbp:relatedTo US_3,000,000_B2
gptkbp:status active
gptkbp:subclass energy efficiency