USD392754SExpiredUtility

Refractory tile system for protection of floor tubing in chemical recovery units

Assignee: COMBUSTION ENGPriority: Dec 30, 1996Filed: Dec 30, 1996Granted: Mar 24, 1998

Est. expiryDec 30, 2016(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for refractory tile system for protection of floor tubing in chemical recovery units, as shown and described.

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