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US 12,727,694 B2Granted
Concave ring coaster
OwnerSteven Younginventor
Life of this patent
Estimating the term…
Abstract
A drinking glass coaster has a circular substrate with a flat topside and a concave underside having a perimeter lip configured to make contact with a table top and at least one concentric ring attached to the concave underside and the flat topside and comprising a reusable sticky substance for adhering to a bottom of a drinking glass.
Claims14
A drinking glass coaster comprising:
- a circular substrate having a concave underside and a flat topside comprising a reusable sticky substance for adhering to a bottom of a drinking glass;
- at least one concentric ring defined by the concave underside and comprising a perimeter lip configured to make contact with a table top;
- and
- a plurality of radial grooves defined in the concave underside and the at least one concentric ring configured for an air escape therefrom a placement of the drinking glass coaster on a smooth table top.
1 more element
Dependencies are inferred from the claim text.