US 5,123,678 B2

URI: https://gptkb.org/entity/US_5%2C123%2C678_B2
GPTKB entity
Properties (29)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 07/537,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_6,789,012_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a new type of mechanical device.
gptkbp:drawings included.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2012-06-23
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications.
gptkbp:filingDate 1990-06-29
gptkbp:firstClaim A mechanical device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 5,123,678 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1992-06-23
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_5,123,678_B2,_EP_1234567,_JP_12345678.
gptkbp:patentType utility
gptkbp:priorityDate 1989-06-29
gptkbp:relatedTo US_5,000,000_B2
gptkbp:status active
gptkbp:subclass energy efficiency