USD304384SExpiredUtility
Combined respiratory mask and inflatable head straps
Est. expiryAug 21, 2006(expired)· nominal 20-yr term from priority
Inventors:Guy G. A. Derobert
88
PatentIndex Score
77
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined respiratory mask and inflatable head straps, as shown and described.
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