US 4,000,022 A

GPTKB entity

Properties (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to an improved design for widgets.
gptkbp:applicationNumber 05/546,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,000,000_A
gptkbp:claims 4.
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gptkbp:classification Class 123, Subclass 456
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1975-01-31
https://www.w3.org/2000/01/rdf-schema#label US 4,000,022 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:priorityDate 1974-01-31
gptkbp:relatedTo US_3,000,000_A
gptkbp:title Improved_Widget_Design