US 4000016 B2

GPTKB entity

Properties (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a mechanical system.
gptkbp:applicationNumber US_05/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_5000017_A
gptkbp:class Mechanical_Systems
gptkbp:country gptkb:United_States
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1975-06-15
gptkbp:firstClaim A method for improving efficiency in mechanical systems.
The method of claim 1, wherein the efficiency is improved by...
gptkbp:grantDate 1977-12-27
https://www.w3.org/2000/01/rdf-schema#label US 4000016 B2
gptkbp:internationalClassification F03B_13/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy 1977-12-27
gptkbp:language English
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Required
gptkbp:numberOfClaims 10
gptkbp:patentCitation US_3000015_A
gptkbp:patentExpiration 1994-12-27
gptkbp:patentFamily US_4000016_B2,_US_5000017_A
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1975-06-15
gptkbp:relatedTo US_4000015_B2
gptkbp:status Active
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency