TUBE WITH ACTIVE FILTER
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United States of America Patent
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Issued Date -
Apr 13, 2023
app pub date -
Sep 30, 2022
filing date -
Sep 30, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A reusable active filter tube includes a tube (1) inside which there is a carbon filter (3) and a sponge filter (4), that when viewed from the first end (6) of the tube placed in in the mouth of the user, it includes successively: a sponge filter (4), an adjacent carbon filter (3), a second silver screen (2) and a first silver screen (5), between the first silver screen (5) and the second silver screen (2) is a space forming the chamber (8), and between the first silver screen (5) and the second end (7) of the tube (1) there is a chamber (9) in which the smoking material is placed.
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