US 3,000,175 AO1

URI: https://gptkb.org/entity/US_3%2C000%2C175_AO1
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber US_3,000,175
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:ABC_Corporation
gptkbp:citedBy US_3,500,000
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner gptkb:Robert_Brown
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention energy efficiency
gptkbp:fieldOfUse mechanical engineering
gptkbp:filedIn Jane_Smith
https://www.w3.org/2000/01/rdf-schema#label US 3,000,175 AO1
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy 1961-09-26
gptkbp:legalStatus active
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_2,800,000
gptkbp:patentClassification F03D
gptkbp:patentFamily US_3,000,175
gptkbp:patentNumber 3000175
gptkbp:patentType utility
gptkbp:priorityDate 1958-09-26
gptkbp:relatedTo US_2,500,000
gptkbp:status granted
gptkbp:subclass energy conversion
gptkbp:technology mechanical systems