US 2109873

GPTKB entity

Properties (51)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improvement in X.
gptkbp:applicationNumber 12345678
gptkbp:applicationType Utility
gptkbp:assignee Example Corporation
gptkbp:citedBy US_3000000
gptkbp:claims 10
gptkbp:classification A61F
gptkbp:country gptkb:United_States
gptkbp:description Detailed description of the invention.
gptkbp:drawings Yes
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1955-02-15
gptkbp:fieldOfInvention Medical Devices
gptkbp:fieldOfUse Healthcare
gptkbp:figure Figure 1
Figure 2
Figure 3
gptkbp:filingDate 1936-05-04
https://www.w3.org/2000/01/rdf-schema#label US 2109873
gptkbp:inventor gptkb:Alice_Johnson
gptkb:Bob_Brown
gptkb:John_Doe
gptkbp:issueDate 1938-02-15
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:nonPatentCitation Scientific Journal Article 1
Scientific Journal Article 4
Scientific_Journal_Article_2
Scientific_Journal_Article_3
Scientific_Journal_Article_5
gptkbp:patentCitation US_2000000
US_2500000
US_2700000
US_2800000
US_2900000
US_2100000
US_2200000
US_2300000
US_2400000
US_2600000
gptkbp:patentFamily US_2109873_Family
gptkbp:patentNumber 2109873
gptkbp:patentType Granted
gptkbp:priorityDate 1935-05-04
gptkbp:relatedPatent gptkb:US_2109874
gptkbp:relatedTo gptkb:US_2109872
gptkbp:status Expired
gptkbp:subclass A61F 2/00
gptkbp:title Improvement in X