US 502,123,457 B2

URI: https://gptkb.org/entity/US_502%2C123%2C457_B2
GPTKB entity
Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Utility
gptkbp:assignee Company XYZ
gptkbp:citedBy gptkb:US_503,456,789_B2
gptkbp:claims 20
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:expirationDate June 11, 2008
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate July 1, 1990
https://www.w3.org/2000/01/rdf-schema#label US 502,123,457 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn June 11, 1991
gptkbp:legalStatus Granted
gptkbp:patentFamily US_502,123,457_B2,_US_502,123,458_B2
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:priorityDate December 15, 1989
gptkbp:relatedPatent gptkb:US_502,123,458_B2
gptkbp:status Active
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency