USD328834SExpiredUtility

Portable convection oven

Assignee: CHANG CHUNG-YUANPriority: Mar 9, 1990Filed: Mar 9, 1990Granted: Aug 25, 1992

Est. expiryMar 9, 2010(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a portable convection oven, as shown and described.

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