US 1,234,739 B2

URI: https://gptkb.org/entity/US_1%2C234%2C739_B2
GPTKB entity
Statements (55)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 06/870,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_2,345,678_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2009-07-25
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1986-05-30
gptkbp:fullText Available online.
https://www.w3.org/2000/01/rdf-schema#label US 1,234,739 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1989-07-25
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_2,666,666_P
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gptkbp:patentFamily US_1,234,739
gptkbp:patentNumber 1,234,739
gptkbp:patentType utility
gptkbp:priorityDate 1985-05-30
gptkbp:relatedTo gptkb:US_1,234,738_B2
gptkbp:status active
gptkbp:subclass energy efficiency