US 170,123,987 A

URI: https://gptkb.org/entity/US_170%2C123%2C987_A
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber 123456789
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_180,123,456_A
gptkbp:claims 10
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1976-01-01
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filedIn gptkb:United_States
gptkbp:filingDate 1955-01-01
gptkbp:firstClaim A method for...
https://www.w3.org/2000/01/rdf-schema#label US 170,123,987 A
gptkbp:internationalClassification B01D 53/86
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus expired
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Mechanical_Engineering,_1958.
gptkbp:patentCitation gptkb:US_150,123,456_A
gptkbp:patentClassification Class 123.
gptkbp:patentFamily US_170,123,987_A,_US_180,123,456_A
gptkbp:patentNumber 170123987
gptkbp:patentType utility
gptkbp:priorityDate 1954-01-01
gptkbp:publicationDate 1959-03-10
gptkbp:relatedTo US 160,123,456 A
gptkbp:status granted