The ornamental design for a hair foil
As shown and described — the patent's drawings define the protected ContourFoil shape.
The first shaped professional hair foil is protected by a United States design patent.
A design patent's drawings define its protection. The plain-language summary below is informational; the issued patent document governs.
As shown and described — the patent's drawings define the protected ContourFoil shape.
Issued July 21, 2026; protection runs to 2041. Design patents require no maintenance fees to stay in force.
Protects the ContourFoil sheet design as shown. Partner-specific questions are answered under NDA.
Figures from the issued patent. In a design patent, the drawings are the claim — this trapezoid, angled to follow the hairline, is the shape the United States now protects.
The patent issued electronically on July 21, 2026 and is available through the USPTO's Patent Center.