USD290657SExpiredUtility

Breathing gas heat exchanger

Assignee: LINDHOLM NOREPriority: Feb 24, 1984Filed: Aug 16, 1984Granted: Jun 30, 1987

Est. expiryFeb 24, 2004(expired)· nominal 20-yr term from priority

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Claims

exact text as granted — not AI-modified

The ornamental design for a breathing gas heat exchanger, substantially as shown.

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