USD330586SExpiredUtility

Air purifier

Assignee: KROPF WERNERPriority: Nov 3, 1989Filed: May 3, 1990Granted: Oct 27, 1992

Est. expiryNov 3, 2009(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for an air purifier, as shown and described.

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