Patent ID: 8616219

Claim:
A smoking article comprising a rod of smokable material, a filter attached to one end of the rod of smokable material and a window formed in the filter, the filter comprising one or more segments of filtration media and a substantially transparent wrapper at least part of which forms at least part of the window, wherein an anchoring adhesive is provided to secure the one or more filter segments to the wrapper, said anchoring adhesive being disposed exclusively between the one or more filter segments and portions of the wrapper other than those forming at least part of the window, wherein the smoking article further comprises a tipping wrapper attaching the filter to the rod of smokable material, the tipping wrapper extending over only part of the length of the filter such that a portion of the filter remains exposed to define the window, wherein the tipping wrapper comprises a first tipping wrapper and the smoking article further comprises a second tipping wrapper circumscribed around the mouth-end of the filter and axially spaced from the first tipping wrapper so that said window is defined between the first and second tipping wrappers.