USD449677SExpiredUtility

Air-purifying device

69
Assignee: PROCTER & GAMBLEPriority: Aug 30, 2000Filed: Sep 1, 2000Granted: Oct 23, 2001
Est. expiryAug 30, 2020(expired)· nominal 20-yr term from priority
Inventors:Jonathan George DenhamJeffrey Donald PainterJoseph Thomas Graceffa
69
PatentIndex Score
16
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2
References
1
Claims

Claims

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

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