US 4,890,146 B1

GPTKB entity

Properties (55)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in industrial processes.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationPublication gptkb:US_4,890,146_A1
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class Process for preparing materials
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Industrial Processes
gptkbp:filingDate April 1, 1989
https://www.w3.org/2000/01/rdf-schema#label US 4,890,146 B1
gptkbp:internationalClassification B01J 19/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate January 2, 1990
gptkbp:issuedOn January 2, 1990
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract A method for improving efficiency in industrial processes.
United_States.
gptkbp:patentAssignee New_York.
Acme_Corporation.
gptkbp:patentCitation US_4,567,890,_US_5,678,901
US_5,123,456.
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification CPC B01J 19/00
B01J 19/00.
CPC_B01J_19/00.
gptkbp:patentExpiration January 2, 2007
January 2, 2007.
gptkbp:patentFamily US_4,890,146_B1,_US_5,123,456,_US_6,789,012
gptkbp:patentFamilyMembers US_4,890,146_B1,_US_5,123,456,_US_6,789,012.
gptkbp:patentField Industrial_Processes.
gptkbp:patentFilingDate January 2, 1990
April 1, 1989
March 15, 1988.
gptkbp:patentInventor California.
Jane_Smith.
John_Doe.
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 4,890,146
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentStatus Granted.
gptkbp:patentType Utility Patent
Non-Provisional.
gptkbp:priorityDate March 15, 1988
gptkbp:relatedApplication US_07/327,123
gptkbp:relatedPatent US_4,567,890
gptkbp:status Active
gptkbp:subclass Efficiency improvement methods
gptkbp:title Method for improving efficiency of a process