US 4,567,991 A

GPTKB entity

Properties (54)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a process.
gptkbp:applicationNumber US_07/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:classification H01L 21/00
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2006-01-28
gptkbp:fieldOfInvention Electrical Engineering
gptkbp:fieldOfUse Manufacturing
gptkbp:filingDate 1985-05-30
gptkbp:firstClaim gptkb:US_5,678,910_A
https://www.w3.org/2000/01/rdf-schema#label US 4,567,991 A
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1986-01-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus In force
gptkbp:location gptkb:Washington,_D.C.
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract Completed
Process Improvement
Filed electronically
A method to enhance process efficiency.
Reviewed by USPTO
gptkbp:patentAssignee Acme_Corporation,_Beta_LLC
gptkbp:patentCitation gptkb:US_4,567,990_A
Applied_Sciences
gptkbp:patentClassification Class 123
SubClass_456
gptkbp:patentExpiration 20 years from filing
gptkbp:patentFamily US_4,567,991_A,_US_4,567,990_A
gptkbp:patentField Engineering
Technology
Industrial Processes
gptkbp:patentFilingDate Published in 1985
gptkbp:patentImage https://example.com/image.jpg
gptkbp:patentInventor John_Doe,_Jane_Roe
gptkbp:patentLink https://patents.google.com/patent/US4567991A
gptkbp:patentNumber 4567991
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Active
No litigation
gptkbp:patentType Granted
gptkbp:priorityDate 1984-05-30
gptkbp:relatedTo gptkb:US_4,567,990_A
gptkbp:status Active
gptkbp:title Method for improving efficiency