US 3,800,009 A

GPTKB entity

Properties (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved design for widgets.
gptkbp:applicationNumber US_1234567
gptkbp:applicationType Non-Provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy US_4,000,000_A
gptkbp:claims 10
gptkbp:classification U.S._Class_123/456
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filedIn gptkb:United_States
gptkbp:filingDate 1972-06-30
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,800,009 A
gptkbp:internationalClassification F16B 2/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1974-03-05
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_3,800,009_A,_US_4,000,000_A
gptkbp:patentLength 20 years
gptkbp:patentNumber 3,800,009
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1971-06-30
gptkbp:relatedTo US_3,500,000_A
gptkbp:status Expired
gptkbp:subclass 123/456.1
gptkbp:title Improved_Widget_Design