Abstract

A smoke filter apparatus comprising a segmented conduit formed of a plurality of nesting sections and comprising one or more filters. The filters may comprise a preferred filter sequence, wherein the preferred filter sequence comprises a metal screen filter, a charcoal filter, and an acetate filter.

IPC Classes  ?

• A24D 3/04 - Tobacco smoke filters characterised by their shape or structure
• A24D 3/10 - Use of materials for tobacco smoke filters of organic materials as carrier or major constituent of cellulose or cellulose derivatives
• A24D 3/16 - Use of materials for tobacco smoke filters of inorganic materials
• B01D 39/10 - Filter screens essentially made of metal
• B01D 39/20 - Other self-supporting filtering material of inorganic material, e.g. asbestos paper or metallic filtering material of non-woven wires
• B01D 39/16 - Other self-supporting filtering material of organic material, e.g. synthetic fibres
• A24F 1/02 - Tobacco pipes with arrangements for cleaning or cooling the smoke
• A24F 7/04 - Mouthpieces for pipesMouthpieces for cigar or cigarette holders with smoke filters