...for imparting rotation upon the cup and rotationally feeding its contents against a person's outstretched tongue.

...consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor ... in the vicinity of the cat, then moving the laser ... in an irregular way fascinating to cats

...clearly marked with multiple indicia allowing for rapid visual identification and distinction between different tubes and containers...

An installation ... having a room or chamber in which an upward air flow is produced to levitate human beings.

... being in the form of an elongated tubular body having a size and shape similar to a pen of pencil

A method to transmit and receive electromagnetic waves .... sending the signal at a speed faster than light.