USD247982SExpiredUtility

Inhalation mask

77
Individually held — no corporate assignee on recordPriority: Sep 10, 1976Filed: Sep 10, 1976Granted: May 23, 1978
Est. expirySep 10, 1996(expired)· nominal 20-yr term from priority
Inventors:Robert A. Huddy
77
PatentIndex Score
22
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an inhalation mask, substantially as shown.

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