Patent ID: 7003909

Claim:
A device, having an informational component, made of an elastic plastic material selected from polyethylene, polypropylene, natural and/or synthetic rubber, silicone rubber, their mixtures, blends and/or copolymers for the optical and/or haptic marking of individual hen's eggs to denote their individual properties by placement through virtually non-slip adherence to the egg, which device is adapted so that the egg with the device placed thereon fits into usual egg storage containers and includes an inner concaved or curved surface the entirety of which is adapted to closely conform in continuous uninterrupted contact with at least part of the outer shape of the egg in a positive locking (form-locking) and/or non-positive locking (force-locking) way, whereby the marking of the egg characteristics is effected through optical and/or haptic features of the egg device.