US 420,000,039 B2

URI: https://gptkb.org/entity/US_420%2C000%2C039_B2
GPTKB entity
Properties (32)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber US_05/918,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:New_York
gptkb:XYZ_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate April 29, 1997
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate August 15, 1978
https://www.w3.org/2000/01/rdf-schema#label US 420,000,039 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate April 29, 1980
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Mechanical_Engineering,_1979.
gptkbp:patentAbstract This invention relates to...
gptkbp:patentCitation US_3,456,789
gptkbp:patentFamily US_420,000,039_B2,_US_420,000,040_B2
gptkbp:patentNumber 42000039
gptkbp:patentType utility
gptkbp:priorityDate August 15, 1978
gptkbp:relatedTo gptkb:US_420,000,040_B2
gptkbp:status active
gptkbp:subclass energy conversion