US 4,123,441 B1

GPTKB entity

Statements (26)
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:Acme_Corporation
gptkbp:citedBy US_5,678,910
gptkbp:claims 10
gptkbp:classification F16H 1/00
gptkbp:country gptkb:United_States
gptkbp:documentType Patent_Grant
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate April 1, 1977
https://www.w3.org/2000/01/rdf-schema#label US 4,123,441 B1
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn October 31, 1978
gptkbp:language English
gptkbp:legalStatus Expired due to non-payment of maintenance fees.
gptkbp:patentFamily US_4,123,441_B1,_US_4,567,890_B1
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 15, 1977
gptkbp:publicationNumber gptkb:US_4,123,441
gptkbp:relatedTo gptkb:US_4,567,890_B1
gptkbp:status Expired
gptkbp:title Method for improving efficiency