US 2345681 F2

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to an improved method of manufacturing widgets.
widget_diagram.png
gptkbp:applicationNumber US_12345678
gptkbp:applicationPublication gptkb:US_12345678_A1
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_1234567
gptkbp:claims 10
gptkbp:classification B29C_45/00
gptkbp:country gptkb:United_States
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1961-04-25
gptkbp:fieldOfInvention Manufacturing
gptkbp:fieldOfUse Industrial
gptkbp:filingDate 1941-01-15
https://www.w3.org/2000/01/rdf-schema#label US 2345681 F2
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
American
gptkbp:issueDate 1944-04-25
gptkbp:language English
gptkbp:legalStatus Expired
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract An improved method for producing widgets.
gptkbp:patentAssignee Acme_Corporation,_Widget_Inc.
gptkbp:patentCitation US 1234567, US 9876543
US 9876543
gptkbp:patentClassification B29C_45/00,_B29C_45/10
gptkbp:patentExpiration Failure to pay maintenance fee.
gptkbp:patentFamily gptkb:US_2345681_F2_Family
gptkbp:patentFamilyMembers US_2345681_F2,_US_2345678,_US_2345679
gptkbp:patentField Manufacturing Processes
gptkbp:patentFilingDate 1944-04-25
1941-01-15
gptkbp:patentImage widget_image.png
gptkbp:patentInventor John_Doe,_Jane_Roe
gptkbp:patentLink https://patents.google.com/patent/US2345681F2
gptkbp:patentNumber gptkb:US_2345681_F2
2345681
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Granted
Reissue
gptkbp:patentType Utility
gptkbp:priorityDate 1940-01-15
gptkbp:relatedApplication gptkb:US_2345682
gptkbp:relatedPatent US_2345678
gptkbp:subclass B29C_45/10
gptkbp:title Improvement in Widget Manufacturing