US 4,890,147 A1

URI: https://gptkb.org/entity/US_4%2C890%2C147_A1
GPTKB entity
Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:examiner No objections raised.
Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate July 15, 1987
gptkbp:firstClaim A method for improving efficiency in mechanical systems comprising...
https://www.w3.org/2000/01/rdf-schema#label US 4,890,147 A1
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation 2
gptkbp:patentCitation 5
gptkbp:patentFamily US_4,890,147_A1,_US_5,123,456_A,_US_4,567,890_A
gptkbp:patentInventor 20 years
gptkbp:priorityDate July 15, 1987
gptkbp:publicationDate January 2, 1990
gptkbp:relatedTo gptkb:US_4,567,890_A
gptkbp:status granted
gptkbp:title Method for improving efficiency