US 3,211,021 A1

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved method for manufacturing widgets.
gptkbp:applicationNumber gptkb:US_3,211,021
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_3,500,000
gptkbp:claims 10
gptkbp:class B29C_45/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing Technology
gptkbp:filingDate April 10, 1964
https://www.w3.org/2000/01/rdf-schema#label US 3,211,021 A1
gptkbp:internationalClassification B29C_45/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate October 12, 1965
gptkbp:issuedOn October 12, 1965
gptkbp:legalStatus Lapsed
gptkbp:patentFamily US_3,211,021_A1,_US_3,200,000,_US_3,500,000
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 15, 1963
gptkbp:relatedTo US_3,200,000
gptkbp:status Expired
gptkbp:subclass B29C_45/10
gptkbp:title Improvement in Widget Manufacturing