US 4000021 A

GPTKB entity

Statements (61)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in manufacturing processes.
gptkbp:applicationNumber 05/600,000
gptkbp:applicationPublication gptkb:US_4000021_A
gptkbp:applicationStatus Abandoned
gptkbp:applicationType Utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy US_5000000_A
gptkbp:claims 10
gptkbp:coInventor Jane_Smith
gptkbp:description This patent describes a method for enhancing the efficiency of manufacturing processes.
gptkbp:drawings Figure 1, Figure 2
gptkbp:examiner gptkb:Robert_Brown
gptkbp:fieldOfInvention Manufacturing
gptkbp:fieldOfUse Industrial
gptkbp:filingCountry gptkb:United_States
gptkbp:filingDate 1975-06-30
https://www.w3.org/2000/01/rdf-schema#label US 4000021 A
gptkbp:internationalClassification B23Q 11/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
American
gptkbp:issueDate 1977-12-28
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:nonPatentCitation 2
gptkbp:patentAbstract A method for improving efficiency in manufacturing processes.
gptkbp:patentAssignee XYZ_Corporation.
gptkbp:patentCitation 5
gptkbp:patentClaim 10 claims.
gptkbp:patentClassification Class 29
B23Q 11/00.
B23Q.
gptkbp:patentExpiration 1994-12-28
gptkbp:patentFamily US_4000021_A,_US_4000022_A,_US_4000023_A
gptkbp:patentFamilyMembers 3 patents.
gptkbp:patentFilingDate 1975-06-30
A.
1977-12-28
gptkbp:patentInventor 5.
2.
Robert_Brown.
John_Doe,_Jane_Smith
John_Doe,_California.
gptkbp:patentLink https://patents.google.com/patent/US4000021A.
https://patents.google.com/patent/US4000021A
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 4000021
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentOwner gptkb:XYZ_Corporation
gptkbp:patentStatus Expired.
gptkbp:patentType Granted
Utility patent.
Utility.
gptkbp:priorityDate 1975-06-30
gptkbp:publications A
gptkbp:relatedApplication US_4000022_A,_US_4000023_A
gptkbp:relatedPatent gptkb:US_4000022_A
gptkbp:status Expired
gptkbp:subclass B23Q
gptkbp:title Method for improving efficiency