US 3,000,043 B1

URI: https://gptkb.org/entity/US_3%2C000%2C043_B1
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_00123456
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy US_4,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1959-05-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,043 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_2,500,000
gptkbp:patentFamily US_3,000,043_B1,_US_3,000,044_B1
gptkbp:patentNumber 3,000,043
gptkbp:patentType utility
gptkbp:priorityDate 1958-05-01
gptkbp:relatedTo US_2,000,000
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:technology energy efficiency