US 2109875

GPTKB entity

Statements (111)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved design for a widget.
gptkbp:applicationNumber 123456789
gptkbp:applicationType utility
gptkbp:assignee Example Corporation
gptkbp:citedBy US_3000000
gptkbp:claims 10
gptkbp:class Class 123
gptkbp:description The invention relates to widgets.
gptkbp:drawings Figure 1
Figure 2
Figure 3
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1958-02-15
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1936-05-04
https://www.w3.org/2000/01/rdf-schema#label US 2109875
gptkbp:internationalClassification B23Q 3/00
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:issueDate 1938-02-15
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation US 6000000
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gptkbp:patentFamily US_2109875_family
gptkbp:patentNumber 2109875
gptkbp:priorityDate 1936-05-04
gptkbp:relatedTo US_2109876
gptkbp:status expired
gptkbp:subclass Subclass 456
gptkbp:title An Improved Widget