USD534274SExpiredUtility
Portion of a mask frame
Est. expiryJun 1, 2021(expired)· nominal 20-yr term from priority
Inventors:Gregory Scott Smart
82
PatentIndex Score
26
Cited by
18
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a portion of a mask frame, as shown and described.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.