Patent classifications
A
HUMAN NECESSITIES
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A24
TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
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A24D
CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES OF CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
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3/00
Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes
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A24D3/04
Tobacco smoke filters characterised by their shape or structure
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A24D3/046
with electrical or magnetical filtering means
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A24D3/046

Nonlinear flexible magnetic filter element
10897927 · 2021-01-26 · ·

A magnetizable object within a smoking article or tobacco product that has magnetic properties optimized to enable efficient magnetic retrieval of the smoking article from the environment in a manner that is independent of spatial orientation of the article with respect to the magnetic field.

Nonlinear Flexible Magnetic Filter Element
20180199620 · 2018-07-19 ·

A magnetizable object within a smoking article or tobacco product that has magnetic properties optimized to enable efficient magnetic retrieval of the smoking article from the environment in a manner that is independent of spatial orientation of the article with respect to the magnetic field.