US 3,000,026 B1

URI: https://gptkb.org/entity/US_3%2C000%2C026_B1
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_12345678
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy US_4,000,000_B1
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1959-06-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,026 B1
gptkbp:internationalClassification F03D 1/00
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_B1
gptkbp:patentDescription Improved Mechanical Device
gptkbp:patentFamily US_3,000,026_B1,_US_3,000,027_B1
gptkbp:patentNumber 3,000,026
gptkbp:patentType utility
gptkbp:priorityDate 1958-06-01
gptkbp:relatedTo US_2,000,000_B1
gptkbp:status active
gptkbp:subclass energy efficiency