USD621020SActiveUtility

Biological air filter

Assignee: LE LABOGROUP SASPriority: Oct 8, 2008Filed: Apr 8, 2009Granted: Aug 3, 2010

Est. expiryOct 8, 2028(~2.2 yrs left)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a biological air filter, substantially as shown and described.

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