US 4,000,888 A1

URI: https://gptkb.org/entity/US_4%2C000%2C888_A1
GPTKB entity
Properties (34)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber 05/586,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,000,000_A
gptkbp:claims 20
gptkbp:class F16H 1/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filedIn gptkb:United_States
gptkbp:filingDate 1975-05-30
gptkbp:firstClaim A method comprising the steps of...
https://www.w3.org/2000/01/rdf-schema#label US 4,000,888 A1
gptkbp:internationalClassification H02P 9/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1977-01-04
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:numberOfFigures 5
gptkbp:pageCount 10
gptkbp:patentExpiration 1994-01-04
gptkbp:patentFamily US_4,000,888_A1,_US_4,000,889_A1
gptkbp:patentNumber 4,000,888
gptkbp:patentType utility
gptkbp:priorityDate 1975-05-30
gptkbp:relatedTo US_3,000,000_A
gptkbp:status expired
gptkbp:subclass F16H 1/02
gptkbp:title Method for improving efficiency.