US 4000028 B2

GPTKB entity

Properties (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber US_05/123,456
gptkbp:applicationType Utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_4000029_B2
gptkbp:claims 10
gptkbp:class Mechanics
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1975-06-15
https://www.w3.org/2000/01/rdf-schema#label US 4000028 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy 1977-01-04
gptkbp:legalStatus Granted
gptkbp:patentFamily US_4000028_B2,_US_4000029_B2,_US_4000030_B2
gptkbp:priorityDate 1975-06-15
gptkbp:publicationDate 1976-07-01
gptkbp:relatedPatent gptkb:US_4000030_B2
gptkbp:status Active
gptkbp:subclass Energy Conservation
gptkbp:title Method for improving efficiency