USD245921SExpiredUtility

Coupler for respiratory apparatus

Individually held — no corporate assignee on recordPriority: Dec 15, 1975Filed: Dec 15, 1975Granted: Sep 27, 1977
Est. expiryDec 15, 1995(expired)· nominal 20-yr term from priority
92
PatentIndex Score
28
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a coupler for respiratory apparatus, substantially as shown and designed.

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