USD289688SExpiredUtility

Tubing coupler for respiratory systems

Assignee: CLAWSON BURRELL EPriority: Feb 10, 1984Filed: Feb 10, 1984Granted: May 5, 1987

Est. expiryFeb 10, 2004(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a tubing coupler for respiratory systems, as shown.

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