USD449376SExpiredUtility
Oxygen delivery system
Est. expiryOct 25, 2020(expired)· nominal 20-yr term from priority
A61M 16/06A61M 16/10A61M 16/0683
79
PatentIndex Score
81
Cited by
11
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an oxygen delivery system, as shown and described.
Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.