USD463541SExpiredUtility

Air filter

57
Assignee: MAXXAIR VENT CORPPriority: Dec 27, 1999Filed: Sep 18, 2000Granted: Sep 24, 2002
Est. expiryDec 27, 2019(expired)· nominal 20-yr term from priority
Inventors:Allen C. Thomas
57
PatentIndex Score
10
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air filter, as shown and described.

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