(under the class definition) Subject matter consisting of structure (1) for aiding in altering normal development of an externally deposited ovum, i.e., an egg, of a bird or (2) enhancing laying of a bird egg.
SEE OR SEARCH THIS CLASS, SUBCLASS:
6.6, for insect egg treatment, production, or storage structure.
45.2, and 50.7, for a structure used to place a distinguishing indication on an egg.
