(under subclass 329) A nest appliance to (1) place a distinctive marking on an egg or fowl, (2) place an identifying marker such as a ring on the fowl, or (3) create a listing reflecting some feature of egg generation.
(1) Note. A feature of egg generation may include such characteristics as the quantity or grade of the egg laid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6.8, for subject matter relating to avian egg treatment or enhancing production thereof.