USD329895SExpiredUtility

Duct canister for carrying and storing sections of a flexible duct used with portable ventilators

Assignee: COPPUS ENG CORPORATIONPriority: Jun 18, 1990Filed: Jun 18, 1990Granted: Sep 29, 1992

Est. expiryJun 18, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a duct canister for carrying and storing sections of a flexible duct used with portable ventilators as shown and described.

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