USD461890SExpiredUtility

Nasal passage dust and pollen filter

Priority: Aug 29, 2001Filed: Aug 29, 2001Granted: Aug 20, 2002
Est. expiryAug 29, 2021(expired)· nominal 20-yr term from priority
36
PatentIndex Score
9
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a nasal passage dust and pollen filter, as shown and described.

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