US 380,123,649 B2

GPTKB entity

Statements (64)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 10/123,456
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:assigneeCountry gptkb:New_York
gptkbp:citedBy gptkb:US_400,000,001_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate April 9, 1994
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate April 15, 1974
https://www.w3.org/2000/01/rdf-schema#label US 380,123,649 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate April 9, 1974
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
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gptkbp:patentFamily gptkb:US_380,123,649
gptkbp:patentType utility
gptkbp:priorityDate March 1, 1973
gptkbp:relatedTo gptkb:US_380,123,648_B2
gptkbp:status active
gptkbp:subclass energy efficiency