Patent ID: 8094028

Claim:
An apparatus comprising: a body including a radio frequency (RF) transponder tag, or marker for directing inclusion of an RF transponder tag, at a designated location on the body; a fastener configured to affix the body to a product including a container for holding a volume of fluid, the fastener being configured to affix the body to the product such that the apparatus projects out from the container; a first positioning feature for supporting the body, RF transponder tag and affixed product relative to a support structure located proximate an RF antenna, the first positioning feature being shaped, sized or positioned such that, in an instance in which the body, RF transponder tag and affixed product are supported relative to the support structure, the RF transponder tag has approximately at least a first predetermined spatial relationship with the RF antenna; and a second positioning feature comprising a projection that projects out from the body, the second positioning feature being shaped, sized or positioned such that, in an instance in which the body, RF transponder tag and affixed product are supported relative to the support structure proximate another RF transponder tag, the RF transponder tag has approximately at least a second predetermined spatial relationship with the other RF transponder tag.