US 2,000,066 B2

GPTKB entity

Statements (107)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_2,000,066
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:assigneeCountry gptkb:New_York
gptkbp:citedBy US_3,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2055-05-01
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1935-05-01
https://www.w3.org/2000/01/rdf-schema#label US 2,000,066 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1935-05-14
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentCitation US 4,300,000
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gptkbp:patentFamily Doe Patent Family
gptkbp:patentType utility
gptkbp:priorityDate 1934-05-01
gptkbp:relatedTo US_1,000,000
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:technology energy conversion