USD428139SExpiredUtility

Mask frame

Priority: Dec 9, 1998Filed: Mar 12, 1999Granted: Jul 11, 2000
Est. expiryDec 9, 2018(expired)· nominal 20-yr term from priority
67
PatentIndex Score
68
Cited by
25
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a mask frame, as shown and described.

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