US 3,000,139 B1

GPTKB entity

Statements (40)
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:assigneeCountry gptkb:USA
gptkbp:citedBy US_4,000,000
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 1959-06-30
https://www.w3.org/2000/01/rdf-schema#label US 3,000,139 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:language English
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to a device that enhances energy efficiency.
gptkbp:patentCitation US_2,500,000
gptkbp:patentDescription Detailed description of the invention.
gptkbp:patentFamily US_3,000,139
gptkbp:patentImage image_url_here
gptkbp:patentInventor 20 years
gptkbp:patentLink https://patents.google.com/patent/US3000139B1
gptkbp:patentNumber 3,000,139
gptkbp:patentOwner Example Corporation
gptkbp:patentType utility
gptkbp:priorityDate 1958-06-30
gptkbp:relatedTo US_2,000,000
gptkbp:status expired
gptkbp:subclass energy conversion
gptkbp:technologyDomain energy efficiency
gptkbp:title Improved Mechanical Device