US 510,000,004 B2

GPTKB entity

Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 07/710,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a new type of mechanical device.
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1991-05-15
gptkbp:firstClaim A mechanical device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 510,000,004 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1992-03-31
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:maintenanceFee required
gptkbp:patentFamily US_510,000,004_B2,_US_510,000,005_B2
gptkbp:patentLength 20 years
gptkbp:patentType utility
gptkbp:priorityDate 1990-05-15
gptkbp:relatedTo gptkb:US_510,000,003_B2
gptkbp:status granted
gptkbp:subclass energy efficiency