USD510619SExpiredUtility

Heating device

Assignee: GAO TIANYUPriority: Feb 4, 2004Filed: Jun 16, 2004Granted: Oct 11, 2005

Est. expiryFeb 4, 2024(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a heating device, as shown and described.

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