USD269996SExpiredUtility

Control unit for an electronic air cleaner

Assignee: MASCO CORPPriority: Jul 23, 1981Filed: Jul 23, 1981Granted: Aug 2, 1983

Est. expiryJul 23, 2001(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a control unit for an electronic air cleaner, as shown.

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