US 400,123,470 A

GPTKB entity

Properties (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved design for widgets that enhances efficiency.
gptkbp:applicationNumber 05/123,456
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_400,456,789_A
gptkbp:claims 10
gptkbp:classification Class 123
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1975-05-15
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 400,123,470 A
gptkbp:internationalClassification F16B 2/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1977-01-11
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:maintenanceFee Paid
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1974-05-15
gptkbp:relatedTo US_300,123,456_A
gptkbp:status Expired
gptkbp:subclass 123/456
gptkbp:title Improved_Widget_Design