US 3,000,049 B1

URI: https://gptkb.org/entity/US_3%2C000%2C049_B1
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_1234567
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy US_3,500,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1957-01-15
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,000,049 B1
gptkbp:internationalClassification F16B
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
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_3,000,049_B1,_US_3,000,050_B1
gptkbp:patentLength 20 years
gptkbp:patentNumber 3,000,049
gptkbp:patentStatus mechanical devices.
gptkbp:patentType utility
gptkbp:priorityDate 1956-01-15
gptkbp:relatedTo US_2,000,000
gptkbp:status active
gptkbp:subclass improvement
gptkbp:technology mechanical technology