US 4000020 A

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to an improved design for widgets.
gptkbp:applicationNumber 05/586,123
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
123 Main St, Anytown, USA
gptkbp:citedBy gptkb:US_4000021_A
gptkbp:claims 10
gptkbp:classification B65D 85/00
gptkbp:description A detailed description of the improved widget design.
gptkbp:drawings Figure 1, Figure 2
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-01-04
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1975-05-30
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 4000020 A
gptkbp:internationalClassification F16B 2/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1977-01-04
gptkbp:legalStatus Active
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_4000020_A,_US_4000021_A,_US_4000022_A
gptkbp:patentNumber 4000020
gptkbp:priorityDate 1975-05-30
gptkbp:relatedPatent gptkb:US_4000022_A
gptkbp:status Granted
gptkbp:title Improved_Widget_Design