Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 20, 2022
Patent Application Number
17075334
Date Filed
October 20, 2020
Patent Citations
Patent Primary Examiner
A paper cup and a method of forming the same. The paper cup may include a sidewall and a floor portion that collectively define a cavity. In one aspect, the paper cup may include a rim that is coated with a rigid shell that encapsulates the rim. In another aspect, a void defined by a rim of the paper cup may be filled with a rigid filler material, and the rigid filler material may be one that expands upon application of heat thereto. In yet another aspect, the paper cup may include a separate rim component that is attached to the sidewall. The separate rim component may be formed from molded pulp fibers, and it may include a flange portion that is attached to the sidewall and a rim portion that protrudes from the sidewall.
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