USD377089SExpiredUtility
Respiratory mask facial seal
Est. expiryJun 6, 2015(expired)· nominal 20-yr term from priority
98
PatentIndex Score
232
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a respiratory mask facial seal, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.