US 2,890,57 B2

GPTKB entity

Statements (51)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved method for manufacturing widgets.
gptkbp:applicationDate 1959-05-01
gptkbp:applicationNumber 123456789
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_3,456,789_B2
gptkbp:claims 10
gptkbp:class B29C_45/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1959-05-01
https://www.w3.org/2000/01/rdf-schema#label US 2,890,57 B2
gptkbp:internationalClassification B29C_45/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1959-06-30
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:patentAbstract An improved method for manufacturing widgets.
gptkbp:patentAssignee John_Doe.
Acme_Corporation.
gptkbp:patentCitation gptkb:US_2,890,56_B2
US_3,456,789_B2.
gptkbp:patentClaim 10 claims.
10.
gptkbp:patentClassification B29C_45/00.
gptkbp:patentDescription This patent describes a novel approach to widget manufacturing.
gptkbp:patentExpiration 1976-06-30
1976-06-30.
gptkbp:patentFamily US_2,890,57_B2,_US_2,890,56_B2
gptkbp:patentFamilyMembers US_2,890,57_B2,_US_2,890,56_B2.
gptkbp:patentField Manufacturing.
gptkbp:patentFilingDate 1958-05-01.
1959-05-01.
1959-06-30.
gptkbp:patentInventor Jane_Smith.
John_Doe.
USA.
gptkbp:patentNumber 123456789.
2,890,57_B2
2,890,57_B2.
gptkbp:patentStatus Expired.
gptkbp:patentType utility patent
Utility.
US_2,890,56_B2.
gptkbp:priorityDate 1958-05-01
gptkbp:relatedTo gptkb:US_2,890,56_B2
gptkbp:status expired
gptkbp:subclass B29C_45/10
gptkbp:title Improvement in Widget Manufacturing