Hair roller
OwnerMary Deborah Ahrensinventor
Life of this patent
Estimating the term…
Abstract
A hair roller for wrapping therearound a hair portion is a concave cylinder, which has a normally oval cross section at a top portion and a bottom portion thereof larger than a normally oval cross section at a middle portion thereof of an oval cylinder; an oval cylinder, which has at least one normally oval cross-section, or a concave oval cylinder. The hair roller is optionally provided with a hair-retaining structure formed on the roller body for grabbing the hair portion.
Claims7
A hair roller, comprising a roller body for wrapping therearound a hair portion, wherein the roller body is a continuously curved concave cylinder, which has a normally oval cross section at a top end and a bottom end thereof larger than a normally oval cross section at the midpoint thereof, wherein none of the cross sections from the top end to the midpoint have the same area;
- and none of the cross sections from the bottom end to the midpoint have the same area.
Dependencies are inferred from the claim text.