(under subclass 3) Method or apparatus including forming of an article of commerce adapted to be secured to or integrated with the end of a tubular or rodlike tobacco or tobaccolike product, which article is intended to restrict, entrap, or alter components of the flow of gases and combustion products from the tubular or rodlike tobacco or tobaccolike product when burning to thereby modify the composition or condition of gases and combustion products passing therethrough.
(1) Note. This class is the residual home for the making of a cigarette filter, even if the filter is not constructed of paper sheet or web material.
