US 3,000,029 B2

GPTKB entity

Properties (40)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved design for widgets.
gptkbp:applicationNumber US_3,000,029
gptkbp:applicationPublication gptkb:US_3,000,029_A1
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_3,500,000
gptkbp:claims 10
gptkbp:class F16B
gptkbp:description This invention relates to widgets.
gptkbp:drawings Figure 1, Figure 2.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filedIn gptkb:John_Doe
gptkbp:filingDate 1960-05-15
https://www.w3.org/2000/01/rdf-schema#label US 3,000,029 B2
gptkbp:internationalClassification B65D 85/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn 1961-09-26
gptkbp:legalEvent patent granted
gptkbp:legalStatus expired
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal_of_Widget_Engineering,_1960.
gptkbp:patentCitation US_2,800,000
gptkbp:patentClassification mechanical
gptkbp:patentExpiration 1981-09-26
gptkbp:patentFamily US_3,000,029_B2_family
gptkbp:patentFamilyMembers US_3,000,029_B2,_US_3,000,030_B2
gptkbp:patentNumber 3,000,029
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentStatus active
gptkbp:patentType utility patent
granted patent
gptkbp:priorityDate 1958-05-15
gptkbp:relatedTo US_2,500,000
gptkbp:status granted
gptkbp:subclass F16B 2/00
gptkbp:title Improved_Widget_Design