US 2,000,051 B2

URI: https://gptkb.org/entity/US_2%2C000%2C051_B2
GPTKB entity
Properties (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to electric light bulbs.
gptkbp:applicationDate 1935-01-14
gptkbp:applicationNumber US_1234567
gptkbp:applicationType Utility
gptkbp:assignee Doe Industries
gptkbp:citedBy US_3,000,000
gptkbp:claims 10
gptkbp:class H01L_33/00
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1952-05-14
gptkbp:fieldOfInvention Electrical Engineering
gptkbp:figure Figure 8
Figure 1
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Figure 10
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gptkbp:filingDate 1935-01-14
https://www.w3.org/2000/01/rdf-schema#label US 2,000,051 B2
gptkbp:internationalClassification H01L_33/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1935-05-14
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:nonPatentCitation Journal_of_Electrical_Engineering,_1934.
gptkbp:patentCitation US_1,500,000
gptkbp:patentFamily Doe Patent Family
gptkbp:patentNumber 2,000,051
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType Granted
gptkbp:priorArt US_1,000,000
gptkbp:priorityDate 1935-01-14
gptkbp:publicationNumber US_2,000,051_A1
gptkbp:relatedPatent gptkb:US_2,000,050_B2
gptkbp:status Expired
gptkbp:subclass H01L 33/10
gptkbp:title Improvement in Electric Light Bulbs