USD269456SExpiredUtility

Roof ventilator

Assignee: QUESTOR CORPPriority: Jan 21, 1981Filed: Jan 21, 1981Granted: Jun 21, 1983

Est. expiryJan 21, 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 roof ventilator, as shown and described.

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